diff --git a/packages/SystemUI/shared/biometrics/src/com/android/systemui/biometrics/shared/model/BiometricModalities.kt b/packages/SystemUI/shared/biometrics/src/com/android/systemui/biometrics/shared/model/BiometricModalities.kt
index db46ccf..80f70a0 100644
--- a/packages/SystemUI/shared/biometrics/src/com/android/systemui/biometrics/shared/model/BiometricModalities.kt
+++ b/packages/SystemUI/shared/biometrics/src/com/android/systemui/biometrics/shared/model/BiometricModalities.kt
@@ -33,6 +33,10 @@
     val hasFingerprint: Boolean
         get() = fingerprintProperties != null
 
+    /** If SFPS authentication is available. */
+    val hasSfps: Boolean
+        get() = hasFingerprint && fingerprintProperties!!.isAnySidefpsType
+
     /** If fingerprint authentication is available (and [faceProperties] is non-null). */
     val hasFace: Boolean
         get() = faceProperties != null
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthBiometricFaceIconController.kt b/packages/SystemUI/src/com/android/systemui/biometrics/AuthBiometricFaceIconController.kt
deleted file mode 100644
index 3f2da5e..0000000
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthBiometricFaceIconController.kt
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.systemui.biometrics
-
-import android.content.Context
-import android.graphics.drawable.Drawable
-import android.util.Log
-import com.airbnb.lottie.LottieAnimationView
-import com.android.systemui.res.R
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState
-
-private const val TAG = "AuthBiometricFaceIconController"
-
-/** Face only icon animator for BiometricPrompt. */
-class AuthBiometricFaceIconController(
-        context: Context,
-        iconView: LottieAnimationView
-) : AuthIconController(context, iconView) {
-
-    // false = dark to light, true = light to dark
-    private var lastPulseLightToDark = false
-
-    private var state: BiometricState = BiometricState.STATE_IDLE
-
-    init {
-        val size = context.resources.getDimensionPixelSize(R.dimen.biometric_dialog_face_icon_size)
-        iconView.layoutParams.width = size
-        iconView.layoutParams.height = size
-        showStaticDrawable(R.drawable.face_dialog_pulse_dark_to_light)
-    }
-
-    private fun startPulsing() {
-        lastPulseLightToDark = false
-        animateIcon(R.drawable.face_dialog_pulse_dark_to_light, true)
-    }
-
-    private fun pulseInNextDirection() {
-        val iconRes = if (lastPulseLightToDark) {
-            R.drawable.face_dialog_pulse_dark_to_light
-        } else {
-            R.drawable.face_dialog_pulse_light_to_dark
-        }
-        animateIcon(iconRes, true /* repeat */)
-        lastPulseLightToDark = !lastPulseLightToDark
-    }
-
-    override fun handleAnimationEnd(drawable: Drawable) {
-        if (state == BiometricState.STATE_AUTHENTICATING || state == BiometricState.STATE_HELP) {
-            pulseInNextDirection()
-        }
-    }
-
-    override fun updateIcon(oldState: BiometricState, newState: BiometricState) {
-        val lastStateIsErrorIcon = (oldState == BiometricState.STATE_ERROR || oldState == BiometricState.STATE_HELP)
-        if (newState == BiometricState.STATE_AUTHENTICATING_ANIMATING_IN) {
-            showStaticDrawable(R.drawable.face_dialog_pulse_dark_to_light)
-            iconView.contentDescription = context.getString(
-                    R.string.biometric_dialog_face_icon_description_authenticating
-            )
-        } else if (newState == BiometricState.STATE_AUTHENTICATING) {
-            startPulsing()
-            iconView.contentDescription = context.getString(
-                    R.string.biometric_dialog_face_icon_description_authenticating
-            )
-        } else if (oldState == BiometricState.STATE_PENDING_CONFIRMATION && newState == BiometricState.STATE_AUTHENTICATED) {
-            animateIconOnce(R.drawable.face_dialog_dark_to_checkmark)
-            iconView.contentDescription = context.getString(
-                    R.string.biometric_dialog_face_icon_description_confirmed
-            )
-        } else if (lastStateIsErrorIcon && newState == BiometricState.STATE_IDLE) {
-            animateIconOnce(R.drawable.face_dialog_error_to_idle)
-            iconView.contentDescription = context.getString(
-                    R.string.biometric_dialog_face_icon_description_idle
-            )
-        } else if (lastStateIsErrorIcon && newState == BiometricState.STATE_AUTHENTICATED) {
-            animateIconOnce(R.drawable.face_dialog_dark_to_checkmark)
-            iconView.contentDescription = context.getString(
-                    R.string.biometric_dialog_face_icon_description_authenticated
-            )
-        } else if (newState == BiometricState.STATE_ERROR && oldState != BiometricState.STATE_ERROR) {
-            animateIconOnce(R.drawable.face_dialog_dark_to_error)
-            iconView.contentDescription = context.getString(
-                    R.string.keyguard_face_failed
-            )
-        } else if (oldState == BiometricState.STATE_AUTHENTICATING && newState == BiometricState.STATE_AUTHENTICATED) {
-            animateIconOnce(R.drawable.face_dialog_dark_to_checkmark)
-            iconView.contentDescription = context.getString(
-                    R.string.biometric_dialog_face_icon_description_authenticated
-            )
-        } else if (newState == BiometricState.STATE_PENDING_CONFIRMATION) {
-            animateIconOnce(R.drawable.face_dialog_wink_from_dark)
-            iconView.contentDescription = context.getString(
-                    R.string.biometric_dialog_face_icon_description_authenticated
-            )
-        } else if (newState == BiometricState.STATE_IDLE) {
-            showStaticDrawable(R.drawable.face_dialog_idle_static)
-            iconView.contentDescription = context.getString(
-                    R.string.biometric_dialog_face_icon_description_idle
-            )
-        } else {
-            Log.w(TAG, "Unhandled state: $newState")
-        }
-        state = newState
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthBiometricFingerprintAndFaceIconController.kt b/packages/SystemUI/src/com/android/systemui/biometrics/AuthBiometricFingerprintAndFaceIconController.kt
deleted file mode 100644
index 09eabf2..0000000
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthBiometricFingerprintAndFaceIconController.kt
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.biometrics
-
-import android.annotation.RawRes
-import android.content.Context
-import com.airbnb.lottie.LottieAnimationView
-import com.android.systemui.res.R
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_AUTHENTICATED
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_ERROR
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_HELP
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_PENDING_CONFIRMATION
-
-/** Face/Fingerprint combined icon animator for BiometricPrompt. */
-open class AuthBiometricFingerprintAndFaceIconController(
-    context: Context,
-    iconView: LottieAnimationView,
-    iconViewOverlay: LottieAnimationView,
-) : AuthBiometricFingerprintIconController(context, iconView, iconViewOverlay) {
-
-    override val actsAsConfirmButton: Boolean = true
-
-    override fun shouldAnimateIconViewForTransition(
-            oldState: BiometricState,
-            newState: BiometricState
-    ): Boolean = when (newState) {
-        STATE_PENDING_CONFIRMATION -> true
-        else -> super.shouldAnimateIconViewForTransition(oldState, newState)
-    }
-
-    @RawRes
-    override fun getAnimationForTransition(
-        oldState: BiometricState,
-        newState: BiometricState
-    ): Int? = when (newState) {
-        STATE_AUTHENTICATED -> {
-           if (oldState == STATE_PENDING_CONFIRMATION) {
-               R.raw.fingerprint_dialogue_unlocked_to_checkmark_success_lottie
-           } else {
-               super.getAnimationForTransition(oldState, newState)
-           }
-        }
-        STATE_PENDING_CONFIRMATION -> {
-            if (oldState == STATE_ERROR || oldState == STATE_HELP) {
-                R.raw.fingerprint_dialogue_error_to_unlock_lottie
-            } else {
-                R.raw.fingerprint_dialogue_fingerprint_to_unlock_lottie
-            }
-        }
-        else -> super.getAnimationForTransition(oldState, newState)
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthBiometricFingerprintIconController.kt b/packages/SystemUI/src/com/android/systemui/biometrics/AuthBiometricFingerprintIconController.kt
deleted file mode 100644
index 0ad3848..0000000
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthBiometricFingerprintIconController.kt
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.biometrics
-
-import android.annotation.RawRes
-import android.content.Context
-import android.content.Context.FINGERPRINT_SERVICE
-import android.hardware.fingerprint.FingerprintManager
-import android.view.DisplayInfo
-import android.view.Surface
-import android.view.View
-import androidx.annotation.VisibleForTesting
-import com.airbnb.lottie.LottieAnimationView
-import com.android.settingslib.widget.LottieColorUtils
-import com.android.systemui.res.R
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_AUTHENTICATED
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_AUTHENTICATING
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_AUTHENTICATING_ANIMATING_IN
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_ERROR
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_HELP
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_IDLE
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState.STATE_PENDING_CONFIRMATION
-
-
-/** Fingerprint only icon animator for BiometricPrompt.  */
-open class AuthBiometricFingerprintIconController(
-        context: Context,
-        iconView: LottieAnimationView,
-        protected val iconViewOverlay: LottieAnimationView
-) : AuthIconController(context, iconView) {
-
-    private val isSideFps: Boolean
-    private val isReverseDefaultRotation =
-            context.resources.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)
-
-    var iconLayoutParamSize: Pair<Int, Int> = Pair(1, 1)
-        set(value) {
-            if (field == value) {
-                return
-            }
-            iconViewOverlay.layoutParams.width = value.first
-            iconViewOverlay.layoutParams.height = value.second
-            iconView.layoutParams.width = value.first
-            iconView.layoutParams.height = value.second
-            field = value
-        }
-
-    init {
-        iconLayoutParamSize = Pair(context.resources.getDimensionPixelSize(
-                R.dimen.biometric_dialog_fingerprint_icon_width),
-                context.resources.getDimensionPixelSize(
-                        R.dimen.biometric_dialog_fingerprint_icon_height))
-        isSideFps =
-            (context.getSystemService(FINGERPRINT_SERVICE) as FingerprintManager?)?.let { fpm ->
-                fpm.sensorPropertiesInternal.any { it.isAnySidefpsType }
-            } ?: false
-        preloadAssets(context)
-        val displayInfo = DisplayInfo()
-        context.display?.getDisplayInfo(displayInfo)
-        if (isSideFps && getRotationFromDefault(displayInfo.rotation) == Surface.ROTATION_180) {
-            iconView.rotation = 180f
-        }
-    }
-
-    private fun updateIconSideFps(lastState: BiometricState, newState: BiometricState) {
-        val displayInfo = DisplayInfo()
-        context.display?.getDisplayInfo(displayInfo)
-        val rotation = getRotationFromDefault(displayInfo.rotation)
-        val iconViewOverlayAnimation =
-                getSideFpsOverlayAnimationForTransition(lastState, newState, rotation) ?: return
-
-        if (!(lastState == STATE_AUTHENTICATING_ANIMATING_IN && newState == STATE_AUTHENTICATING)) {
-            iconViewOverlay.setAnimation(iconViewOverlayAnimation)
-        }
-
-        val iconContentDescription = getIconContentDescription(newState)
-        if (iconContentDescription != null) {
-            iconView.contentDescription = iconContentDescription
-        }
-
-        iconView.frame = 0
-        iconViewOverlay.frame = 0
-        if (shouldAnimateSfpsIconViewForTransition(lastState, newState)) {
-            iconView.playAnimation()
-        }
-
-        if (shouldAnimateIconViewOverlayForTransition(lastState, newState)) {
-            iconViewOverlay.playAnimation()
-        }
-
-        LottieColorUtils.applyDynamicColors(context, iconView)
-        LottieColorUtils.applyDynamicColors(context, iconViewOverlay)
-    }
-
-    private fun updateIconNormal(lastState: BiometricState, newState: BiometricState) {
-        val icon = getAnimationForTransition(lastState, newState) ?: return
-
-        if (!(lastState == STATE_AUTHENTICATING_ANIMATING_IN && newState == STATE_AUTHENTICATING)) {
-            iconView.setAnimation(icon)
-        }
-
-        val iconContentDescription = getIconContentDescription(newState)
-        if (iconContentDescription != null) {
-            iconView.contentDescription = iconContentDescription
-        }
-
-        iconView.frame = 0
-        if (shouldAnimateIconViewForTransition(lastState, newState)) {
-            iconView.playAnimation()
-        }
-        LottieColorUtils.applyDynamicColors(context, iconView)
-    }
-
-    override fun updateIcon(lastState: BiometricState, newState: BiometricState) {
-        if (isSideFps) {
-            updateIconSideFps(lastState, newState)
-        } else {
-            iconViewOverlay.visibility = View.GONE
-            updateIconNormal(lastState, newState)
-        }
-    }
-
-    @VisibleForTesting
-    fun getIconContentDescription(newState: BiometricState): CharSequence? {
-        val id = when (newState) {
-            STATE_IDLE,
-            STATE_AUTHENTICATING_ANIMATING_IN,
-            STATE_AUTHENTICATING,
-            STATE_AUTHENTICATED ->
-                if (isSideFps) {
-                    R.string.security_settings_sfps_enroll_find_sensor_message
-                } else {
-                    R.string.fingerprint_dialog_touch_sensor
-                }
-            STATE_PENDING_CONFIRMATION ->
-                if (isSideFps) {
-                    R.string.security_settings_sfps_enroll_find_sensor_message
-                } else {
-                    R.string.fingerprint_dialog_authenticated_confirmation
-                }
-            STATE_ERROR,
-            STATE_HELP -> R.string.biometric_dialog_try_again
-            else -> null
-        }
-        return if (id != null) context.getString(id) else null
-    }
-
-    protected open fun shouldAnimateIconViewForTransition(
-            oldState: BiometricState,
-            newState: BiometricState
-    ) = when (newState) {
-        STATE_HELP,
-        STATE_ERROR -> true
-        STATE_AUTHENTICATING_ANIMATING_IN,
-        STATE_AUTHENTICATING -> oldState == STATE_ERROR || oldState == STATE_HELP
-        STATE_AUTHENTICATED -> true
-        else -> false
-    }
-
-    private fun shouldAnimateSfpsIconViewForTransition(
-            oldState: BiometricState,
-            newState: BiometricState
-    ) = when (newState) {
-        STATE_HELP,
-        STATE_ERROR -> true
-        STATE_AUTHENTICATING_ANIMATING_IN,
-        STATE_AUTHENTICATING ->
-            oldState == STATE_ERROR || oldState == STATE_HELP || oldState == STATE_IDLE
-        STATE_AUTHENTICATED -> true
-        else -> false
-    }
-
-    protected open fun shouldAnimateIconViewOverlayForTransition(
-            oldState: BiometricState,
-            newState: BiometricState
-    ) = when (newState) {
-        STATE_HELP,
-        STATE_ERROR -> true
-        STATE_AUTHENTICATING_ANIMATING_IN,
-        STATE_AUTHENTICATING -> oldState == STATE_ERROR || oldState == STATE_HELP
-        STATE_AUTHENTICATED -> true
-        else -> false
-    }
-
-    @RawRes
-    protected open fun getAnimationForTransition(
-            oldState: BiometricState,
-            newState: BiometricState
-    ): Int? {
-        val id = when (newState) {
-            STATE_HELP,
-            STATE_ERROR -> {
-                R.raw.fingerprint_dialogue_fingerprint_to_error_lottie
-            }
-            STATE_AUTHENTICATING_ANIMATING_IN,
-            STATE_AUTHENTICATING -> {
-                if (oldState == STATE_ERROR || oldState == STATE_HELP) {
-                    R.raw.fingerprint_dialogue_error_to_fingerprint_lottie
-                } else {
-                    R.raw.fingerprint_dialogue_fingerprint_to_error_lottie
-                }
-            }
-            STATE_AUTHENTICATED -> {
-                if (oldState == STATE_ERROR || oldState == STATE_HELP) {
-                    R.raw.fingerprint_dialogue_error_to_success_lottie
-                } else {
-                    R.raw.fingerprint_dialogue_fingerprint_to_success_lottie
-                }
-            }
-            else -> return null
-        }
-        return if (id != null) return id else null
-    }
-
-    private fun getRotationFromDefault(rotation: Int): Int =
-            if (isReverseDefaultRotation) (rotation + 1) % 4 else rotation
-
-    @RawRes
-    private fun getSideFpsOverlayAnimationForTransition(
-            oldState: BiometricState,
-            newState: BiometricState,
-            rotation: Int
-    ): Int? = when (newState) {
-        STATE_HELP,
-        STATE_ERROR -> {
-            when (rotation) {
-                Surface.ROTATION_0 -> R.raw.biometricprompt_fingerprint_to_error_landscape
-                Surface.ROTATION_90 ->
-                    R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_topleft
-                Surface.ROTATION_180 ->
-                    R.raw.biometricprompt_fingerprint_to_error_landscape
-                Surface.ROTATION_270 ->
-                    R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_bottomright
-                else -> R.raw.biometricprompt_fingerprint_to_error_landscape
-            }
-        }
-        STATE_AUTHENTICATING_ANIMATING_IN,
-        STATE_AUTHENTICATING -> {
-            if (oldState == STATE_ERROR || oldState == STATE_HELP) {
-                when (rotation) {
-                    Surface.ROTATION_0 ->
-                        R.raw.biometricprompt_symbol_error_to_fingerprint_landscape
-                    Surface.ROTATION_90 ->
-                        R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_topleft
-                    Surface.ROTATION_180 ->
-                        R.raw.biometricprompt_symbol_error_to_fingerprint_landscape
-                    Surface.ROTATION_270 ->
-                        R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_bottomright
-                    else -> R.raw.biometricprompt_symbol_error_to_fingerprint_landscape
-                }
-            } else {
-                when (rotation) {
-                    Surface.ROTATION_0 -> R.raw.biometricprompt_fingerprint_to_error_landscape
-                    Surface.ROTATION_90 ->
-                        R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_topleft
-                    Surface.ROTATION_180 ->
-                        R.raw.biometricprompt_fingerprint_to_error_landscape
-                    Surface.ROTATION_270 ->
-                        R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_bottomright
-                    else -> R.raw.biometricprompt_fingerprint_to_error_landscape
-                }
-            }
-        }
-        STATE_AUTHENTICATED -> {
-            if (oldState == STATE_ERROR || oldState == STATE_HELP) {
-                when (rotation) {
-                    Surface.ROTATION_0 ->
-                        R.raw.biometricprompt_symbol_error_to_success_landscape
-                    Surface.ROTATION_90 ->
-                        R.raw.biometricprompt_symbol_error_to_success_portrait_topleft
-                    Surface.ROTATION_180 ->
-                        R.raw.biometricprompt_symbol_error_to_success_landscape
-                    Surface.ROTATION_270 ->
-                        R.raw.biometricprompt_symbol_error_to_success_portrait_bottomright
-                    else -> R.raw.biometricprompt_symbol_error_to_success_landscape
-                }
-            } else {
-                when (rotation) {
-                    Surface.ROTATION_0 ->
-                        R.raw.biometricprompt_symbol_fingerprint_to_success_landscape
-                    Surface.ROTATION_90 ->
-                        R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_topleft
-                    Surface.ROTATION_180 ->
-                        R.raw.biometricprompt_symbol_fingerprint_to_success_landscape
-                    Surface.ROTATION_270 ->
-                        R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_bottomright
-                    else -> R.raw.biometricprompt_symbol_fingerprint_to_success_landscape
-                }
-            }
-        }
-        else -> null
-    }
-
-    private fun preloadAssets(context: Context) {
-        if (isSideFps) {
-            cacheLottieAssetsInContext(
-                context,
-                R.raw.biometricprompt_fingerprint_to_error_landscape,
-                R.raw.biometricprompt_folded_base_bottomright,
-                R.raw.biometricprompt_folded_base_default,
-                R.raw.biometricprompt_folded_base_topleft,
-                R.raw.biometricprompt_landscape_base,
-                R.raw.biometricprompt_portrait_base_bottomright,
-                R.raw.biometricprompt_portrait_base_topleft,
-                R.raw.biometricprompt_symbol_error_to_fingerprint_landscape,
-                R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_bottomright,
-                R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_topleft,
-                R.raw.biometricprompt_symbol_error_to_success_landscape,
-                R.raw.biometricprompt_symbol_error_to_success_portrait_bottomright,
-                R.raw.biometricprompt_symbol_error_to_success_portrait_topleft,
-                R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_bottomright,
-                R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_topleft,
-                R.raw.biometricprompt_symbol_fingerprint_to_success_landscape,
-                R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_bottomright,
-                R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_topleft
-            )
-        } else {
-            cacheLottieAssetsInContext(
-                context,
-                R.raw.fingerprint_dialogue_error_to_fingerprint_lottie,
-                R.raw.fingerprint_dialogue_error_to_success_lottie,
-                R.raw.fingerprint_dialogue_fingerprint_to_error_lottie,
-                R.raw.fingerprint_dialogue_fingerprint_to_success_lottie
-            )
-        }
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/AuthIconController.kt b/packages/SystemUI/src/com/android/systemui/biometrics/AuthIconController.kt
deleted file mode 100644
index 958213a..0000000
--- a/packages/SystemUI/src/com/android/systemui/biometrics/AuthIconController.kt
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.biometrics
-
-import android.annotation.DrawableRes
-import android.content.Context
-import android.graphics.drawable.Animatable2
-import android.graphics.drawable.AnimatedVectorDrawable
-import android.graphics.drawable.Drawable
-import android.util.Log
-import com.airbnb.lottie.LottieAnimationView
-import com.airbnb.lottie.LottieCompositionFactory
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState
-
-private const val TAG = "AuthIconController"
-
-/** Controller for animating the BiometricPrompt icon/affordance. */
-abstract class AuthIconController(
-    protected val context: Context,
-    protected val iconView: LottieAnimationView
-) : Animatable2.AnimationCallback() {
-
-    /** If this controller should ignore events and pause. */
-    var deactivated: Boolean = false
-
-    /** If the icon view should be treated as an alternate "confirm" button. */
-    open val actsAsConfirmButton: Boolean = false
-
-    final override fun onAnimationStart(drawable: Drawable) {
-        super.onAnimationStart(drawable)
-    }
-
-    final override fun onAnimationEnd(drawable: Drawable) {
-        super.onAnimationEnd(drawable)
-
-        if (!deactivated) {
-            handleAnimationEnd(drawable)
-        }
-    }
-
-    /** Set the icon to a static image. */
-    protected fun showStaticDrawable(@DrawableRes iconRes: Int) {
-        iconView.setImageDrawable(context.getDrawable(iconRes))
-    }
-
-    /** Animate a resource. */
-    protected fun animateIconOnce(@DrawableRes iconRes: Int) {
-        animateIcon(iconRes, false)
-    }
-
-    /** Animate a resource. */
-    protected fun animateIcon(@DrawableRes iconRes: Int, repeat: Boolean) {
-        if (!deactivated) {
-            val icon = context.getDrawable(iconRes) as AnimatedVectorDrawable
-            iconView.setImageDrawable(icon)
-            icon.forceAnimationOnUI()
-            if (repeat) {
-                icon.registerAnimationCallback(this)
-            }
-            icon.start()
-        }
-    }
-
-    /** Update the icon to reflect the [newState]. */
-    fun updateState(lastState: BiometricState, newState: BiometricState) {
-        if (deactivated) {
-            Log.w(TAG, "Ignoring updateState when deactivated: $newState")
-        } else {
-            updateIcon(lastState, newState)
-        }
-    }
-
-    /** Call during [updateState] if the controller is not [deactivated]. */
-    abstract fun updateIcon(lastState: BiometricState, newState: BiometricState)
-
-    /** Called during [onAnimationEnd] if the controller is not [deactivated]. */
-    open fun handleAnimationEnd(drawable: Drawable) {}
-
-    // TODO(b/251476085): Migrate this to an extension at the appropriate level?
-    /** Load the given [rawResources] immediately so they are cached for use in the [context]. */
-    protected fun cacheLottieAssetsInContext(context: Context, vararg rawResources: Int) {
-        for (res in rawResources) {
-            LottieCompositionFactory.fromRawRes(context, res)
-        }
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/DisplayStateRepository.kt b/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/DisplayStateRepository.kt
index c4c52e8b..050b399 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/DisplayStateRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/DisplayStateRepository.kt
@@ -42,8 +42,11 @@
 /** Repository for the current state of the display */
 interface DisplayStateRepository {
     /**
-     * Whether or not the direction rotation is applied to get to an application's requested
-     * orientation is reversed.
+     * If true, the direction rotation is applied to get to an application's requested orientation
+     * is reversed. Normally, the model is that landscape is clockwise from portrait; thus on a
+     * portrait device an app requesting landscape will cause a clockwise rotation, and on a
+     * landscape device an app requesting portrait will cause a counter-clockwise rotation. Setting
+     * true here reverses that logic. See go/natural-orientation for context.
      */
     val isReverseDefaultRotation: Boolean
 
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/DisplayStateInteractor.kt b/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/DisplayStateInteractor.kt
index a317a06..427361d 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/DisplayStateInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/DisplayStateInteractor.kt
@@ -57,6 +57,15 @@
     /** Display change event indicating a change to the given displayId has occurred. */
     val displayChanges: Flow<Int>
 
+    /**
+     * If true, the direction rotation is applied to get to an application's requested orientation
+     * is reversed. Normally, the model is that landscape is clockwise from portrait; thus on a
+     * portrait device an app requesting landscape will cause a clockwise rotation, and on a
+     * landscape device an app requesting portrait will cause a counter-clockwise rotation. Setting
+     * true here reverses that logic. See go/natural-orientation for context.
+     */
+    val isReverseDefaultRotation: Boolean
+
     /** Called on configuration changes, used to keep the display state in sync */
     fun onConfigurationChanged(newConfig: Configuration)
 }
@@ -112,6 +121,8 @@
     override val currentRotation: StateFlow<DisplayRotation> =
         displayStateRepository.currentRotation
 
+    override val isReverseDefaultRotation: Boolean = displayStateRepository.isReverseDefaultRotation
+
     override fun onConfigurationChanged(newConfig: Configuration) {
         screenSizeFoldProvider.onConfigurationChange(newConfig)
     }
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/BiometricPromptLayout.java b/packages/SystemUI/src/com/android/systemui/biometrics/ui/BiometricPromptLayout.java
index cef0be0..0d72b9c 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/ui/BiometricPromptLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/ui/BiometricPromptLayout.java
@@ -29,11 +29,10 @@
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
-import com.android.systemui.res.R;
-import com.android.systemui.biometrics.AuthBiometricFingerprintIconController;
 import com.android.systemui.biometrics.AuthController;
 import com.android.systemui.biometrics.AuthDialog;
 import com.android.systemui.biometrics.UdfpsDialogMeasureAdapter;
+import com.android.systemui.res.R;
 
 import kotlin.Pair;
 
@@ -85,13 +84,13 @@
     }
 
     @Deprecated
-    public void updateFingerprintAffordanceSize(
-            @NonNull AuthBiometricFingerprintIconController iconController) {
+    public Pair<Integer, Integer> getUpdatedFingerprintAffordanceSize() {
         if (mUdfpsAdapter != null) {
             final int sensorDiameter = mUdfpsAdapter.getSensorDiameter(
                     mScaleFactorProvider.provide());
-            iconController.setIconLayoutParamSize(new Pair(sensorDiameter, sensorDiameter));
+            return new Pair(sensorDiameter, sensorDiameter);
         }
+        return null;
     }
 
     @NonNull
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewBinder.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewBinder.kt
index c29efc0..ac48b6a 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewBinder.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/BiometricViewBinder.kt
@@ -38,11 +38,7 @@
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
 import com.airbnb.lottie.LottieAnimationView
-import com.android.systemui.res.R
-import com.android.systemui.biometrics.AuthBiometricFaceIconController
-import com.android.systemui.biometrics.AuthBiometricFingerprintAndFaceIconController
-import com.android.systemui.biometrics.AuthBiometricFingerprintIconController
-import com.android.systemui.biometrics.AuthIconController
+import com.airbnb.lottie.LottieCompositionFactory
 import com.android.systemui.biometrics.AuthPanelController
 import com.android.systemui.biometrics.shared.model.BiometricModalities
 import com.android.systemui.biometrics.shared.model.BiometricModality
@@ -56,6 +52,7 @@
 import com.android.systemui.flags.FeatureFlags
 import com.android.systemui.flags.Flags.ONE_WAY_HAPTICS_API_MIGRATION
 import com.android.systemui.lifecycle.repeatWhenAttached
+import com.android.systemui.res.R
 import com.android.systemui.statusbar.VibratorHelper
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.delay
@@ -101,10 +98,15 @@
             !accessibilityManager.isEnabled || !accessibilityManager.isTouchExplorationEnabled
         descriptionView.movementMethod = ScrollingMovementMethod()
 
-        val iconViewOverlay = view.requireViewById<LottieAnimationView>(R.id.biometric_icon_overlay)
+        val iconOverlayView = view.requireViewById<LottieAnimationView>(R.id.biometric_icon_overlay)
         val iconView = view.requireViewById<LottieAnimationView>(R.id.biometric_icon)
 
-        PromptFingerprintIconViewBinder.bind(iconView, viewModel.fingerprintIconViewModel)
+        PromptIconViewBinder.bind(
+            iconView,
+            iconOverlayView,
+            view.getUpdatedFingerprintAffordanceSize(),
+            viewModel.iconViewModel
+        )
 
         val indicatorMessageView = view.requireViewById<TextView>(R.id.indicator)
 
@@ -128,9 +130,21 @@
 
         // bind to prompt
         var boundSize = false
+
         view.repeatWhenAttached {
             // these do not change and need to be set before any size transitions
             val modalities = viewModel.modalities.first()
+            if (modalities.hasFingerprint) {
+                /**
+                 * Load the given [rawResources] immediately so they are cached for use in the
+                 * [context].
+                 */
+                val rawResources = viewModel.iconViewModel.getRawAssets(modalities.hasSfps)
+                for (res in rawResources) {
+                    LottieCompositionFactory.fromRawRes(view.context, res)
+                }
+            }
+
             titleView.text = viewModel.title.first()
             descriptionView.text = viewModel.description.first()
             subtitleView.text = viewModel.subtitle.first()
@@ -148,27 +162,8 @@
                 legacyCallback.onButtonTryAgain()
             }
 
-            // TODO(b/251476085): migrate legacy icon controllers and remove
-            var legacyState = viewModel.legacyState.value
-            val iconController =
-                modalities.asIconController(
-                    view.context,
-                    iconView,
-                    iconViewOverlay,
-                )
-            adapter.attach(this, iconController, modalities, legacyCallback)
-            if (iconController is AuthBiometricFingerprintIconController) {
-                view.updateFingerprintAffordanceSize(iconController)
-            }
-            if (iconController is HackyCoexIconController) {
-                iconController.faceMode = !viewModel.isConfirmationRequired.first()
-            }
+            adapter.attach(this, modalities, legacyCallback)
 
-            // the icon controller must be created before this happens for the legacy
-            // sizing code in BiometricPromptLayout to work correctly. Simplify this
-            // when those are also migrated. (otherwise the icon size may not be set to
-            // a pixel value before the view is measured and WRAP_CONTENT will be incorrectly
-            // used as part of the measure spec)
             if (!boundSize) {
                 boundSize = true
                 BiometricViewSizeBinder.bind(
@@ -212,14 +207,6 @@
                     ) {
                         legacyCallback.onStartDelayedFingerprintSensor()
                     }
-
-                    if (newMode.isStarted) {
-                        // do wonky switch from implicit to explicit flow
-                        (iconController as? HackyCoexIconController)?.faceMode = false
-                        viewModel.showAuthenticating(
-                            modalities.asDefaultHelpMessage(view.context),
-                        )
-                    }
                 }
             }
 
@@ -312,7 +299,7 @@
                     viewModel.isIconConfirmButton
                         .map { isPending ->
                             when {
-                                isPending && iconController.actsAsConfirmButton ->
+                                isPending && modalities.hasFaceAndFingerprint ->
                                     View.OnTouchListener { _: View, event: MotionEvent ->
                                         viewModel.onOverlayTouch(event)
                                     }
@@ -320,22 +307,11 @@
                             }
                         }
                         .collect { onTouch ->
-                            iconViewOverlay.setOnTouchListener(onTouch)
+                            iconOverlayView.setOnTouchListener(onTouch)
                             iconView.setOnTouchListener(onTouch)
                         }
                 }
 
-                // TODO(b/251476085): remove w/ legacy icon controllers
-                // set icon affordance using legacy states
-                // like the old code, this causes animations to repeat on config changes :(
-                // but keep behavior for now as no one has complained...
-                launch {
-                    viewModel.legacyState.collect { newState ->
-                        iconController.updateState(legacyState, newState)
-                        legacyState = newState
-                    }
-                }
-
                 // dismiss prompt when authenticated and confirmed
                 launch {
                     viewModel.isAuthenticated.collect { authState ->
@@ -350,7 +326,7 @@
 
                             // Allow icon to be used as confirmation button with a11y enabled
                             if (accessibilityManager.isTouchExplorationEnabled) {
-                                iconViewOverlay.setOnClickListener {
+                                iconOverlayView.setOnClickListener {
                                     viewModel.confirmAuthenticated()
                                 }
                                 iconView.setOnClickListener { viewModel.confirmAuthenticated() }
@@ -377,7 +353,6 @@
                 launch {
                     viewModel.message.collect { promptMessage ->
                         val isError = promptMessage is PromptMessage.Error
-
                         indicatorMessageView.text = promptMessage.message
                         indicatorMessageView.setTextColor(
                             if (isError) textColorError else textColorHint
@@ -472,9 +447,6 @@
     private var modalities: BiometricModalities = BiometricModalities()
     private var legacyCallback: Callback? = null
 
-    var legacyIconController: AuthIconController? = null
-        private set
-
     // hacky way to suppress lockout errors
     private val lockoutErrorStrings =
         listOf(
@@ -485,24 +457,20 @@
 
     fun attach(
         lifecycleOwner: LifecycleOwner,
-        iconController: AuthIconController,
         activeModalities: BiometricModalities,
         callback: Callback,
     ) {
         modalities = activeModalities
-        legacyIconController = iconController
         legacyCallback = callback
 
         lifecycleOwner.lifecycle.addObserver(
             object : DefaultLifecycleObserver {
                 override fun onCreate(owner: LifecycleOwner) {
                     lifecycleScope = owner.lifecycleScope
-                    iconController.deactivated = false
                 }
 
                 override fun onDestroy(owner: LifecycleOwner) {
                     lifecycleScope = null
-                    iconController.deactivated = true
                 }
             }
         )
@@ -626,61 +594,9 @@
         else -> ""
     }
 
-private fun BiometricModalities.asIconController(
-    context: Context,
-    iconView: LottieAnimationView,
-    iconViewOverlay: LottieAnimationView,
-): AuthIconController =
-    when {
-        hasFaceAndFingerprint -> HackyCoexIconController(context, iconView, iconViewOverlay)
-        hasFingerprint -> AuthBiometricFingerprintIconController(context, iconView, iconViewOverlay)
-        hasFace -> AuthBiometricFaceIconController(context, iconView)
-        else -> throw IllegalStateException("unexpected view type :$this")
-    }
-
 private fun Boolean.asVisibleOrGone(): Int = if (this) View.VISIBLE else View.GONE
 
 private fun Boolean.asVisibleOrHidden(): Int = if (this) View.VISIBLE else View.INVISIBLE
 
 // TODO(b/251476085): proper type?
 typealias BiometricJankListener = Animator.AnimatorListener
-
-// TODO(b/251476085): delete - temporary until the legacy icon controllers are replaced
-private class HackyCoexIconController(
-    context: Context,
-    iconView: LottieAnimationView,
-    iconViewOverlay: LottieAnimationView,
-) : AuthBiometricFingerprintAndFaceIconController(context, iconView, iconViewOverlay) {
-
-    private var state: Spaghetti.BiometricState? = null
-    private val faceController = AuthBiometricFaceIconController(context, iconView)
-
-    var faceMode: Boolean = true
-        set(value) {
-            if (field != value) {
-                field = value
-
-                faceController.deactivated = !value
-                iconView.setImageIcon(null)
-                iconViewOverlay.setImageIcon(null)
-                state?.let { updateIcon(Spaghetti.BiometricState.STATE_IDLE, it) }
-            }
-        }
-
-    override fun updateIcon(
-        lastState: Spaghetti.BiometricState,
-        newState: Spaghetti.BiometricState,
-    ) {
-        if (deactivated) {
-            return
-        }
-
-        if (faceMode) {
-            faceController.updateIcon(lastState, newState)
-        } else {
-            super.updateIcon(lastState, newState)
-        }
-
-        state = newState
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/PromptFingerprintIconViewBinder.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/PromptFingerprintIconViewBinder.kt
deleted file mode 100644
index d28f1dc..0000000
--- a/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/PromptFingerprintIconViewBinder.kt
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package com.android.systemui.biometrics.ui.binder
-
-import androidx.lifecycle.Lifecycle
-import androidx.lifecycle.repeatOnLifecycle
-import com.airbnb.lottie.LottieAnimationView
-import com.android.systemui.biometrics.ui.viewmodel.PromptFingerprintIconViewModel
-import com.android.systemui.lifecycle.repeatWhenAttached
-import kotlinx.coroutines.launch
-
-/** Sub-binder for [BiometricPromptLayout.iconView]. */
-object PromptFingerprintIconViewBinder {
-
-    /** Binds [BiometricPromptLayout.iconView] to [PromptFingerprintIconViewModel]. */
-    @JvmStatic
-    fun bind(view: LottieAnimationView, viewModel: PromptFingerprintIconViewModel) {
-        view.repeatWhenAttached {
-            repeatOnLifecycle(Lifecycle.State.STARTED) {
-                viewModel.onConfigurationChanged(view.context.resources.configuration)
-                launch {
-                    viewModel.iconAsset.collect { iconAsset ->
-                        if (iconAsset != -1) {
-                            view.setAnimation(iconAsset)
-                            // TODO: must replace call below once non-sfps asset logic and
-                            // shouldAnimateIconView logic is migrated to this ViewModel.
-                            view.playAnimation()
-                        }
-                    }
-                }
-            }
-        }
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/PromptIconViewBinder.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/PromptIconViewBinder.kt
new file mode 100644
index 0000000..475ef18
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/ui/binder/PromptIconViewBinder.kt
@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.android.systemui.biometrics.ui.binder
+
+import android.graphics.drawable.Animatable2
+import android.graphics.drawable.AnimatedVectorDrawable
+import android.graphics.drawable.Drawable
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.repeatOnLifecycle
+import com.airbnb.lottie.LottieAnimationView
+import com.android.settingslib.widget.LottieColorUtils
+import com.android.systemui.biometrics.ui.viewmodel.PromptIconViewModel
+import com.android.systemui.biometrics.ui.viewmodel.PromptIconViewModel.AuthType
+import com.android.systemui.lifecycle.repeatWhenAttached
+import com.android.systemui.util.kotlin.Utils.Companion.toQuad
+import com.android.systemui.util.kotlin.Utils.Companion.toQuint
+import com.android.systemui.util.kotlin.Utils.Companion.toTriple
+import com.android.systemui.util.kotlin.sample
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.launch
+
+/** Sub-binder for [BiometricPromptLayout.iconView]. */
+object PromptIconViewBinder {
+    /**
+     * Binds [BiometricPromptLayout.iconView] and [BiometricPromptLayout.biometric_icon_overlay] to
+     * [PromptIconViewModel].
+     */
+    @JvmStatic
+    fun bind(
+        iconView: LottieAnimationView,
+        iconOverlayView: LottieAnimationView,
+        iconViewLayoutParamSizeOverride: Pair<Int, Int>?,
+        viewModel: PromptIconViewModel
+    ) {
+        iconView.repeatWhenAttached {
+            repeatOnLifecycle(Lifecycle.State.STARTED) {
+                viewModel.onConfigurationChanged(iconView.context.resources.configuration)
+                if (iconViewLayoutParamSizeOverride != null) {
+                    iconView.layoutParams.width = iconViewLayoutParamSizeOverride.first
+                    iconView.layoutParams.height = iconViewLayoutParamSizeOverride.second
+
+                    iconOverlayView.layoutParams.width = iconViewLayoutParamSizeOverride.first
+                    iconOverlayView.layoutParams.height = iconViewLayoutParamSizeOverride.second
+                }
+
+                var faceIcon: AnimatedVectorDrawable? = null
+                val faceIconCallback =
+                    object : Animatable2.AnimationCallback() {
+                        override fun onAnimationStart(drawable: Drawable) {
+                            viewModel.onAnimationStart()
+                        }
+
+                        override fun onAnimationEnd(drawable: Drawable) {
+                            viewModel.onAnimationEnd()
+                        }
+                    }
+
+                launch {
+                    viewModel.activeAuthType.collect { activeAuthType ->
+                        if (iconViewLayoutParamSizeOverride == null) {
+                            val width: Int
+                            val height: Int
+                            when (activeAuthType) {
+                                AuthType.Fingerprint,
+                                AuthType.Coex -> {
+                                    width = viewModel.fingerprintIconWidth
+                                    height = viewModel.fingerprintIconHeight
+                                }
+                                AuthType.Face -> {
+                                    width = viewModel.faceIconWidth
+                                    height = viewModel.faceIconHeight
+                                }
+                            }
+
+                            iconView.layoutParams.width = width
+                            iconView.layoutParams.height = height
+
+                            iconOverlayView.layoutParams.width = width
+                            iconOverlayView.layoutParams.height = height
+                        }
+                    }
+                }
+
+                launch {
+                    viewModel.iconAsset
+                        .sample(
+                            combine(
+                                viewModel.activeAuthType,
+                                viewModel.shouldAnimateIconView,
+                                viewModel.shouldRepeatAnimation,
+                                viewModel.showingError,
+                                ::toQuad
+                            ),
+                            ::toQuint
+                        )
+                        .collect {
+                            (
+                                iconAsset,
+                                activeAuthType,
+                                shouldAnimateIconView,
+                                shouldRepeatAnimation,
+                                showingError) ->
+                            if (iconAsset != -1) {
+                                when (activeAuthType) {
+                                    AuthType.Fingerprint,
+                                    AuthType.Coex -> {
+                                        iconView.setAnimation(iconAsset)
+                                        iconView.frame = 0
+
+                                        if (shouldAnimateIconView) {
+                                            iconView.playAnimation()
+                                        }
+                                    }
+                                    AuthType.Face -> {
+                                        faceIcon?.apply {
+                                            unregisterAnimationCallback(faceIconCallback)
+                                            stop()
+                                        }
+                                        faceIcon =
+                                            iconView.context.getDrawable(iconAsset)
+                                                as AnimatedVectorDrawable
+                                        faceIcon?.apply {
+                                            iconView.setImageDrawable(this)
+                                            if (shouldAnimateIconView) {
+                                                forceAnimationOnUI()
+                                                if (shouldRepeatAnimation) {
+                                                    registerAnimationCallback(faceIconCallback)
+                                                }
+                                                start()
+                                            }
+                                        }
+                                    }
+                                }
+                                LottieColorUtils.applyDynamicColors(iconView.context, iconView)
+                                viewModel.setPreviousIconWasError(showingError)
+                            }
+                        }
+                }
+
+                launch {
+                    viewModel.iconOverlayAsset
+                        .sample(
+                            combine(
+                                viewModel.shouldAnimateIconOverlay,
+                                viewModel.showingError,
+                                ::Pair
+                            ),
+                            ::toTriple
+                        )
+                        .collect { (iconOverlayAsset, shouldAnimateIconOverlay, showingError) ->
+                            if (iconOverlayAsset != -1) {
+                                iconOverlayView.setAnimation(iconOverlayAsset)
+                                iconOverlayView.frame = 0
+                                LottieColorUtils.applyDynamicColors(
+                                    iconOverlayView.context,
+                                    iconOverlayView
+                                )
+
+                                if (shouldAnimateIconOverlay) {
+                                    iconOverlayView.playAnimation()
+                                }
+                                viewModel.setPreviousIconOverlayWasError(showingError)
+                            }
+                        }
+                }
+
+                launch {
+                    viewModel.shouldFlipIconView.collect { shouldFlipIconView ->
+                        if (shouldFlipIconView) {
+                            iconView.rotation = 180f
+                        }
+                    }
+                }
+
+                launch {
+                    viewModel.contentDescriptionId.collect { id ->
+                        if (id != -1) {
+                            iconView.contentDescription = iconView.context.getString(id)
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptFingerprintIconViewModel.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptFingerprintIconViewModel.kt
deleted file mode 100644
index dfd3a9b..0000000
--- a/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptFingerprintIconViewModel.kt
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package com.android.systemui.biometrics.ui.viewmodel
-
-import android.annotation.RawRes
-import android.content.res.Configuration
-import com.android.systemui.res.R
-import com.android.systemui.biometrics.domain.interactor.DisplayStateInteractor
-import com.android.systemui.biometrics.domain.interactor.PromptSelectorInteractor
-import com.android.systemui.biometrics.shared.model.DisplayRotation
-import com.android.systemui.biometrics.shared.model.FingerprintSensorType
-import javax.inject.Inject
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.combine
-
-/** Models UI of [BiometricPromptLayout.iconView] */
-class PromptFingerprintIconViewModel
-@Inject
-constructor(
-    private val displayStateInteractor: DisplayStateInteractor,
-    promptSelectorInteractor: PromptSelectorInteractor,
-) {
-    /** Current BiometricPromptLayout.iconView asset. */
-    val iconAsset: Flow<Int> =
-        combine(
-            displayStateInteractor.currentRotation,
-            displayStateInteractor.isFolded,
-            displayStateInteractor.isInRearDisplayMode,
-            promptSelectorInteractor.sensorType,
-        ) {
-            rotation: DisplayRotation,
-            isFolded: Boolean,
-            isInRearDisplayMode: Boolean,
-            sensorType: FingerprintSensorType ->
-            when (sensorType) {
-                FingerprintSensorType.POWER_BUTTON ->
-                    getSideFpsAnimationAsset(rotation, isFolded, isInRearDisplayMode)
-                // Replace below when non-SFPS iconAsset logic is migrated to this ViewModel
-                else -> -1
-            }
-        }
-
-    @RawRes
-    private fun getSideFpsAnimationAsset(
-        rotation: DisplayRotation,
-        isDeviceFolded: Boolean,
-        isInRearDisplayMode: Boolean,
-    ): Int =
-        when (rotation) {
-            DisplayRotation.ROTATION_90 ->
-                if (isInRearDisplayMode) {
-                    R.raw.biometricprompt_rear_portrait_reverse_base
-                } else if (isDeviceFolded) {
-                    R.raw.biometricprompt_folded_base_topleft
-                } else {
-                    R.raw.biometricprompt_portrait_base_topleft
-                }
-            DisplayRotation.ROTATION_270 ->
-                if (isInRearDisplayMode) {
-                    R.raw.biometricprompt_rear_portrait_base
-                } else if (isDeviceFolded) {
-                    R.raw.biometricprompt_folded_base_bottomright
-                } else {
-                    R.raw.biometricprompt_portrait_base_bottomright
-                }
-            else ->
-                if (isInRearDisplayMode) {
-                    R.raw.biometricprompt_rear_landscape_base
-                } else if (isDeviceFolded) {
-                    R.raw.biometricprompt_folded_base_default
-                } else {
-                    R.raw.biometricprompt_landscape_base
-                }
-        }
-
-    /** Called on configuration changes */
-    fun onConfigurationChanged(newConfig: Configuration) {
-        displayStateInteractor.onConfigurationChanged(newConfig)
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptIconViewModel.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptIconViewModel.kt
new file mode 100644
index 0000000..11a5d8b
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptIconViewModel.kt
@@ -0,0 +1,721 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.android.systemui.biometrics.ui.viewmodel
+
+import android.annotation.DrawableRes
+import android.annotation.RawRes
+import android.content.res.Configuration
+import com.android.systemui.biometrics.domain.interactor.DisplayStateInteractor
+import com.android.systemui.biometrics.domain.interactor.PromptSelectorInteractor
+import com.android.systemui.biometrics.shared.model.DisplayRotation
+import com.android.systemui.biometrics.shared.model.FingerprintSensorType
+import com.android.systemui.res.R
+import com.android.systemui.util.kotlin.combine
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.map
+
+/**
+ * Models UI of [BiometricPromptLayout.iconView] and [BiometricPromptLayout.biometric_icon_overlay]
+ */
+class PromptIconViewModel
+constructor(
+    promptViewModel: PromptViewModel,
+    private val displayStateInteractor: DisplayStateInteractor,
+    promptSelectorInteractor: PromptSelectorInteractor
+) {
+
+    /** Auth types for the UI to display. */
+    enum class AuthType {
+        Fingerprint,
+        Face,
+        Coex
+    }
+
+    /**
+     * Indicates what auth type the UI currently displays.
+     * Fingerprint-only auth -> Fingerprint
+     * Face-only auth -> Face
+     * Co-ex auth, implicit flow -> Face
+     * Co-ex auth, explicit flow -> Coex
+     */
+    val activeAuthType: Flow<AuthType> =
+        combine(
+            promptViewModel.modalities.distinctUntilChanged(),
+            promptViewModel.faceMode.distinctUntilChanged()
+        ) { modalities, faceMode ->
+            if (modalities.hasFaceAndFingerprint && !faceMode) {
+                AuthType.Coex
+            } else if (modalities.hasFaceOnly || faceMode) {
+                AuthType.Face
+            } else if (modalities.hasFingerprintOnly) {
+                AuthType.Fingerprint
+            } else {
+                throw IllegalStateException("unexpected modality: $modalities")
+            }
+        }
+
+    /** Whether an error message is currently being shown. */
+    val showingError = promptViewModel.showingError
+
+    /** Whether the previous icon shown displayed an error. */
+    private val _previousIconWasError: MutableStateFlow<Boolean> = MutableStateFlow(false)
+
+    /** Whether the previous icon overlay shown displayed an error. */
+    private val _previousIconOverlayWasError: MutableStateFlow<Boolean> = MutableStateFlow(false)
+
+    fun setPreviousIconWasError(previousIconWasError: Boolean) {
+        _previousIconWasError.value = previousIconWasError
+    }
+
+    fun setPreviousIconOverlayWasError(previousIconOverlayWasError: Boolean) {
+        _previousIconOverlayWasError.value = previousIconOverlayWasError
+    }
+
+    /** Called when iconView begins animating. */
+    fun onAnimationStart() {
+        _animationEnded.value = false
+    }
+
+    /** Called when iconView ends animating. */
+    fun onAnimationEnd() {
+        _animationEnded.value = true
+    }
+
+    private val _animationEnded: MutableStateFlow<Boolean> = MutableStateFlow(false)
+
+    /**
+     * Whether a face iconView should pulse (i.e. while isAuthenticating and previous animation
+     * ended).
+     */
+    val shouldPulseAnimation: Flow<Boolean> =
+        combine(_animationEnded, promptViewModel.isAuthenticating) {
+                animationEnded,
+                isAuthenticating ->
+                animationEnded && isAuthenticating
+            }
+            .distinctUntilChanged()
+
+    private val _lastPulseLightToDark: MutableStateFlow<Boolean> = MutableStateFlow(false)
+
+    /** Tracks whether a face iconView last pulsed light to dark (vs. dark to light) */
+    val lastPulseLightToDark: Flow<Boolean> = _lastPulseLightToDark.asStateFlow()
+
+    /** Layout params for fingerprint iconView */
+    val fingerprintIconWidth: Int = promptViewModel.fingerprintIconWidth
+    val fingerprintIconHeight: Int = promptViewModel.fingerprintIconHeight
+
+    /** Layout params for face iconView */
+    val faceIconWidth: Int = promptViewModel.faceIconWidth
+    val faceIconHeight: Int = promptViewModel.faceIconHeight
+
+    /** Current BiometricPromptLayout.iconView asset. */
+    val iconAsset: Flow<Int> =
+        activeAuthType.flatMapLatest { activeAuthType: AuthType ->
+            when (activeAuthType) {
+                AuthType.Fingerprint ->
+                    combine(
+                        displayStateInteractor.currentRotation,
+                        displayStateInteractor.isFolded,
+                        displayStateInteractor.isInRearDisplayMode,
+                        promptSelectorInteractor.sensorType,
+                        promptViewModel.isAuthenticated,
+                        promptViewModel.isAuthenticating,
+                        promptViewModel.showingError
+                    ) {
+                        rotation: DisplayRotation,
+                        isFolded: Boolean,
+                        isInRearDisplayMode: Boolean,
+                        sensorType: FingerprintSensorType,
+                        authState: PromptAuthState,
+                        isAuthenticating: Boolean,
+                        showingError: Boolean ->
+                        when (sensorType) {
+                            FingerprintSensorType.POWER_BUTTON ->
+                                getSfpsIconViewAsset(rotation, isFolded, isInRearDisplayMode)
+                            else ->
+                                getFingerprintIconViewAsset(
+                                    authState.isAuthenticated,
+                                    isAuthenticating,
+                                    showingError
+                                )
+                        }
+                    }
+                AuthType.Face ->
+                    shouldPulseAnimation.flatMapLatest { shouldPulseAnimation: Boolean ->
+                        if (shouldPulseAnimation) {
+                            val iconAsset =
+                                if (_lastPulseLightToDark.value) {
+                                    R.drawable.face_dialog_pulse_dark_to_light
+                                } else {
+                                    R.drawable.face_dialog_pulse_light_to_dark
+                                }
+                            _lastPulseLightToDark.value = !_lastPulseLightToDark.value
+                            flowOf(iconAsset)
+                        } else {
+                            combine(
+                                promptViewModel.isAuthenticated.distinctUntilChanged(),
+                                promptViewModel.isAuthenticating.distinctUntilChanged(),
+                                promptViewModel.isPendingConfirmation.distinctUntilChanged(),
+                                promptViewModel.showingError.distinctUntilChanged()
+                            ) {
+                                authState: PromptAuthState,
+                                isAuthenticating: Boolean,
+                                isPendingConfirmation: Boolean,
+                                showingError: Boolean ->
+                                getFaceIconViewAsset(
+                                    authState,
+                                    isAuthenticating,
+                                    isPendingConfirmation,
+                                    showingError
+                                )
+                            }
+                        }
+                    }
+                AuthType.Coex ->
+                    combine(
+                        displayStateInteractor.currentRotation,
+                        displayStateInteractor.isFolded,
+                        displayStateInteractor.isInRearDisplayMode,
+                        promptSelectorInteractor.sensorType,
+                        promptViewModel.isAuthenticated,
+                        promptViewModel.isAuthenticating,
+                        promptViewModel.isPendingConfirmation,
+                        promptViewModel.showingError,
+                    ) {
+                        rotation: DisplayRotation,
+                        isFolded: Boolean,
+                        isInRearDisplayMode: Boolean,
+                        sensorType: FingerprintSensorType,
+                        authState: PromptAuthState,
+                        isAuthenticating: Boolean,
+                        isPendingConfirmation: Boolean,
+                        showingError: Boolean ->
+                        when (sensorType) {
+                            FingerprintSensorType.POWER_BUTTON ->
+                                getSfpsIconViewAsset(rotation, isFolded, isInRearDisplayMode)
+                            else ->
+                                getCoexIconViewAsset(
+                                    authState,
+                                    isAuthenticating,
+                                    isPendingConfirmation,
+                                    showingError
+                                )
+                        }
+                    }
+            }
+        }
+
+    private fun getFingerprintIconViewAsset(
+        isAuthenticated: Boolean,
+        isAuthenticating: Boolean,
+        showingError: Boolean
+    ): Int =
+        if (isAuthenticated) {
+            if (_previousIconWasError.value) {
+                R.raw.fingerprint_dialogue_error_to_success_lottie
+            } else {
+                R.raw.fingerprint_dialogue_fingerprint_to_success_lottie
+            }
+        } else if (isAuthenticating) {
+            if (_previousIconWasError.value) {
+                R.raw.fingerprint_dialogue_error_to_fingerprint_lottie
+            } else {
+                R.raw.fingerprint_dialogue_fingerprint_to_error_lottie
+            }
+        } else if (showingError) {
+            R.raw.fingerprint_dialogue_fingerprint_to_error_lottie
+        } else {
+            -1
+        }
+
+    @RawRes
+    private fun getSfpsIconViewAsset(
+        rotation: DisplayRotation,
+        isDeviceFolded: Boolean,
+        isInRearDisplayMode: Boolean,
+    ): Int =
+        when (rotation) {
+            DisplayRotation.ROTATION_90 ->
+                if (isInRearDisplayMode) {
+                    R.raw.biometricprompt_rear_portrait_reverse_base
+                } else if (isDeviceFolded) {
+                    R.raw.biometricprompt_folded_base_topleft
+                } else {
+                    R.raw.biometricprompt_portrait_base_topleft
+                }
+            DisplayRotation.ROTATION_270 ->
+                if (isInRearDisplayMode) {
+                    R.raw.biometricprompt_rear_portrait_base
+                } else if (isDeviceFolded) {
+                    R.raw.biometricprompt_folded_base_bottomright
+                } else {
+                    R.raw.biometricprompt_portrait_base_bottomright
+                }
+            else ->
+                if (isInRearDisplayMode) {
+                    R.raw.biometricprompt_rear_landscape_base
+                } else if (isDeviceFolded) {
+                    R.raw.biometricprompt_folded_base_default
+                } else {
+                    R.raw.biometricprompt_landscape_base
+                }
+        }
+
+    @DrawableRes
+    private fun getFaceIconViewAsset(
+        authState: PromptAuthState,
+        isAuthenticating: Boolean,
+        isPendingConfirmation: Boolean,
+        showingError: Boolean
+    ): Int =
+        if (authState.isAuthenticated && isPendingConfirmation) {
+            R.drawable.face_dialog_wink_from_dark
+        } else if (authState.isAuthenticated) {
+            R.drawable.face_dialog_dark_to_checkmark
+        } else if (isAuthenticating) {
+            _lastPulseLightToDark.value = false
+            R.drawable.face_dialog_pulse_dark_to_light
+        } else if (showingError) {
+            R.drawable.face_dialog_dark_to_error
+        } else if (_previousIconWasError.value) {
+            R.drawable.face_dialog_error_to_idle
+        } else {
+            R.drawable.face_dialog_idle_static
+        }
+
+    @RawRes
+    private fun getCoexIconViewAsset(
+        authState: PromptAuthState,
+        isAuthenticating: Boolean,
+        isPendingConfirmation: Boolean,
+        showingError: Boolean
+    ): Int =
+        if (authState.isAuthenticatedAndExplicitlyConfirmed) {
+            R.raw.fingerprint_dialogue_unlocked_to_checkmark_success_lottie
+        } else if (isPendingConfirmation) {
+            if (_previousIconWasError.value) {
+                R.raw.fingerprint_dialogue_error_to_unlock_lottie
+            } else {
+                R.raw.fingerprint_dialogue_fingerprint_to_unlock_lottie
+            }
+        } else if (authState.isAuthenticated) {
+            if (_previousIconWasError.value) {
+                R.raw.fingerprint_dialogue_error_to_success_lottie
+            } else {
+                R.raw.fingerprint_dialogue_fingerprint_to_success_lottie
+            }
+        } else if (isAuthenticating) {
+            if (_previousIconWasError.value) {
+                R.raw.fingerprint_dialogue_error_to_fingerprint_lottie
+            } else {
+                R.raw.fingerprint_dialogue_fingerprint_to_error_lottie
+            }
+        } else if (showingError) {
+            R.raw.fingerprint_dialogue_fingerprint_to_error_lottie
+        } else {
+            -1
+        }
+
+    /** Current BiometricPromptLayout.biometric_icon_overlay asset. */
+    var iconOverlayAsset: Flow<Int> =
+        activeAuthType.flatMapLatest { activeAuthType: AuthType ->
+            when (activeAuthType) {
+                AuthType.Fingerprint,
+                AuthType.Coex ->
+                    combine(
+                        displayStateInteractor.currentRotation,
+                        promptSelectorInteractor.sensorType,
+                        promptViewModel.isAuthenticated,
+                        promptViewModel.isAuthenticating,
+                        promptViewModel.showingError
+                    ) {
+                        rotation: DisplayRotation,
+                        sensorType: FingerprintSensorType,
+                        authState: PromptAuthState,
+                        isAuthenticating: Boolean,
+                        showingError: Boolean ->
+                        when (sensorType) {
+                            FingerprintSensorType.POWER_BUTTON ->
+                                getSfpsIconOverlayAsset(
+                                    rotation,
+                                    authState.isAuthenticated,
+                                    isAuthenticating,
+                                    showingError
+                                )
+                            else -> -1
+                        }
+                    }
+                AuthType.Face -> flowOf(-1)
+            }
+        }
+
+    @RawRes
+    private fun getSfpsIconOverlayAsset(
+        rotation: DisplayRotation,
+        isAuthenticated: Boolean,
+        isAuthenticating: Boolean,
+        showingError: Boolean
+    ): Int =
+        if (isAuthenticated) {
+            if (_previousIconOverlayWasError.value) {
+                when (rotation) {
+                    DisplayRotation.ROTATION_0 ->
+                        R.raw.biometricprompt_symbol_error_to_success_landscape
+                    DisplayRotation.ROTATION_90 ->
+                        R.raw.biometricprompt_symbol_error_to_success_portrait_topleft
+                    DisplayRotation.ROTATION_180 ->
+                        R.raw.biometricprompt_symbol_error_to_success_landscape
+                    DisplayRotation.ROTATION_270 ->
+                        R.raw.biometricprompt_symbol_error_to_success_portrait_bottomright
+                }
+            } else {
+                when (rotation) {
+                    DisplayRotation.ROTATION_0 ->
+                        R.raw.biometricprompt_symbol_fingerprint_to_success_landscape
+                    DisplayRotation.ROTATION_90 ->
+                        R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_topleft
+                    DisplayRotation.ROTATION_180 ->
+                        R.raw.biometricprompt_symbol_fingerprint_to_success_landscape
+                    DisplayRotation.ROTATION_270 ->
+                        R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_bottomright
+                }
+            }
+        } else if (isAuthenticating) {
+            if (_previousIconOverlayWasError.value) {
+                when (rotation) {
+                    DisplayRotation.ROTATION_0 ->
+                        R.raw.biometricprompt_symbol_error_to_fingerprint_landscape
+                    DisplayRotation.ROTATION_90 ->
+                        R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_topleft
+                    DisplayRotation.ROTATION_180 ->
+                        R.raw.biometricprompt_symbol_error_to_fingerprint_landscape
+                    DisplayRotation.ROTATION_270 ->
+                        R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_bottomright
+                }
+            } else {
+                when (rotation) {
+                    DisplayRotation.ROTATION_0 ->
+                        R.raw.biometricprompt_fingerprint_to_error_landscape
+                    DisplayRotation.ROTATION_90 ->
+                        R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_topleft
+                    DisplayRotation.ROTATION_180 ->
+                        R.raw.biometricprompt_fingerprint_to_error_landscape
+                    DisplayRotation.ROTATION_270 ->
+                        R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_bottomright
+                }
+            }
+        } else if (showingError) {
+            when (rotation) {
+                DisplayRotation.ROTATION_0 -> R.raw.biometricprompt_fingerprint_to_error_landscape
+                DisplayRotation.ROTATION_90 ->
+                    R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_topleft
+                DisplayRotation.ROTATION_180 -> R.raw.biometricprompt_fingerprint_to_error_landscape
+                DisplayRotation.ROTATION_270 ->
+                    R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_bottomright
+            }
+        } else {
+            -1
+        }
+
+    /** Content description for iconView */
+    val contentDescriptionId: Flow<Int> =
+        activeAuthType.flatMapLatest { activeAuthType: AuthType ->
+            when (activeAuthType) {
+                AuthType.Fingerprint,
+                AuthType.Coex ->
+                    combine(
+                        promptSelectorInteractor.sensorType,
+                        promptViewModel.isAuthenticated,
+                        promptViewModel.isAuthenticating,
+                        promptViewModel.isPendingConfirmation,
+                        promptViewModel.showingError
+                    ) {
+                        sensorType: FingerprintSensorType,
+                        authState: PromptAuthState,
+                        isAuthenticating: Boolean,
+                        isPendingConfirmation: Boolean,
+                        showingError: Boolean ->
+                        getFingerprintIconContentDescriptionId(
+                            sensorType,
+                            authState.isAuthenticated,
+                            isAuthenticating,
+                            isPendingConfirmation,
+                            showingError
+                        )
+                    }
+                AuthType.Face ->
+                    combine(
+                        promptViewModel.isAuthenticated,
+                        promptViewModel.isAuthenticating,
+                        promptViewModel.showingError,
+                    ) { authState: PromptAuthState, isAuthenticating: Boolean, showingError: Boolean
+                        ->
+                        getFaceIconContentDescriptionId(authState, isAuthenticating, showingError)
+                    }
+            }
+        }
+
+    private fun getFingerprintIconContentDescriptionId(
+        sensorType: FingerprintSensorType,
+        isAuthenticated: Boolean,
+        isAuthenticating: Boolean,
+        isPendingConfirmation: Boolean,
+        showingError: Boolean
+    ): Int =
+        if (isPendingConfirmation) {
+            when (sensorType) {
+                FingerprintSensorType.POWER_BUTTON ->
+                    R.string.security_settings_sfps_enroll_find_sensor_message
+                else -> R.string.fingerprint_dialog_authenticated_confirmation
+            }
+        } else if (isAuthenticating || isAuthenticated) {
+            when (sensorType) {
+                FingerprintSensorType.POWER_BUTTON ->
+                    R.string.security_settings_sfps_enroll_find_sensor_message
+                else -> R.string.fingerprint_dialog_touch_sensor
+            }
+        } else if (showingError) {
+            R.string.biometric_dialog_try_again
+        } else {
+            -1
+        }
+
+    private fun getFaceIconContentDescriptionId(
+        authState: PromptAuthState,
+        isAuthenticating: Boolean,
+        showingError: Boolean
+    ): Int =
+        if (authState.isAuthenticatedAndExplicitlyConfirmed) {
+            R.string.biometric_dialog_face_icon_description_confirmed
+        } else if (authState.isAuthenticated) {
+            R.string.biometric_dialog_face_icon_description_authenticated
+        } else if (isAuthenticating) {
+            R.string.biometric_dialog_face_icon_description_authenticating
+        } else if (showingError) {
+            R.string.keyguard_face_failed
+        } else {
+            R.string.biometric_dialog_face_icon_description_idle
+        }
+
+    /** Whether the current BiometricPromptLayout.iconView asset animation should be playing. */
+    val shouldAnimateIconView: Flow<Boolean> =
+        activeAuthType.flatMapLatest { activeAuthType: AuthType ->
+            when (activeAuthType) {
+                AuthType.Fingerprint ->
+                    combine(
+                        promptSelectorInteractor.sensorType,
+                        promptViewModel.isAuthenticated,
+                        promptViewModel.isAuthenticating,
+                        promptViewModel.showingError
+                    ) {
+                        sensorType: FingerprintSensorType,
+                        authState: PromptAuthState,
+                        isAuthenticating: Boolean,
+                        showingError: Boolean ->
+                        when (sensorType) {
+                            FingerprintSensorType.POWER_BUTTON ->
+                                shouldAnimateSfpsIconView(
+                                    authState.isAuthenticated,
+                                    isAuthenticating,
+                                    showingError
+                                )
+                            else ->
+                                shouldAnimateFingerprintIconView(
+                                    authState.isAuthenticated,
+                                    isAuthenticating,
+                                    showingError
+                                )
+                        }
+                    }
+                AuthType.Face ->
+                    combine(
+                        promptViewModel.isAuthenticated,
+                        promptViewModel.isAuthenticating,
+                        promptViewModel.showingError
+                    ) { authState: PromptAuthState, isAuthenticating: Boolean, showingError: Boolean
+                        ->
+                        isAuthenticating ||
+                            authState.isAuthenticated ||
+                            showingError ||
+                            _previousIconWasError.value
+                    }
+                AuthType.Coex ->
+                    combine(
+                        promptSelectorInteractor.sensorType,
+                        promptViewModel.isAuthenticated,
+                        promptViewModel.isAuthenticating,
+                        promptViewModel.isPendingConfirmation,
+                        promptViewModel.showingError,
+                    ) {
+                        sensorType: FingerprintSensorType,
+                        authState: PromptAuthState,
+                        isAuthenticating: Boolean,
+                        isPendingConfirmation: Boolean,
+                        showingError: Boolean ->
+                        when (sensorType) {
+                            FingerprintSensorType.POWER_BUTTON ->
+                                shouldAnimateSfpsIconView(
+                                    authState.isAuthenticated,
+                                    isAuthenticating,
+                                    showingError
+                                )
+                            else ->
+                                shouldAnimateCoexIconView(
+                                    authState.isAuthenticated,
+                                    isAuthenticating,
+                                    isPendingConfirmation,
+                                    showingError
+                                )
+                        }
+                    }
+            }
+        }
+
+    private fun shouldAnimateFingerprintIconView(
+        isAuthenticated: Boolean,
+        isAuthenticating: Boolean,
+        showingError: Boolean
+    ) = (isAuthenticating && _previousIconWasError.value) || isAuthenticated || showingError
+
+    private fun shouldAnimateSfpsIconView(
+        isAuthenticated: Boolean,
+        isAuthenticating: Boolean,
+        showingError: Boolean
+    ) = isAuthenticated || isAuthenticating || showingError
+
+    private fun shouldAnimateCoexIconView(
+        isAuthenticated: Boolean,
+        isAuthenticating: Boolean,
+        isPendingConfirmation: Boolean,
+        showingError: Boolean
+    ) =
+        (isAuthenticating && _previousIconWasError.value) ||
+            isPendingConfirmation ||
+            isAuthenticated ||
+            showingError
+
+    /** Whether the current iconOverlayAsset animation should be playing. */
+    val shouldAnimateIconOverlay: Flow<Boolean> =
+        activeAuthType.flatMapLatest { activeAuthType: AuthType ->
+            when (activeAuthType) {
+                AuthType.Fingerprint,
+                AuthType.Coex ->
+                    combine(
+                        promptSelectorInteractor.sensorType,
+                        promptViewModel.isAuthenticated,
+                        promptViewModel.isAuthenticating,
+                        promptViewModel.showingError
+                    ) {
+                        sensorType: FingerprintSensorType,
+                        authState: PromptAuthState,
+                        isAuthenticating: Boolean,
+                        showingError: Boolean ->
+                        when (sensorType) {
+                            FingerprintSensorType.POWER_BUTTON ->
+                                shouldAnimateSfpsIconOverlay(
+                                    authState.isAuthenticated,
+                                    isAuthenticating,
+                                    showingError
+                                )
+                            else -> false
+                        }
+                    }
+                AuthType.Face -> flowOf(false)
+            }
+        }
+
+    private fun shouldAnimateSfpsIconOverlay(
+        isAuthenticated: Boolean,
+        isAuthenticating: Boolean,
+        showingError: Boolean
+    ) = (isAuthenticating && _previousIconOverlayWasError.value) || isAuthenticated || showingError
+
+    /** Whether the iconView should be flipped due to a device using reverse default rotation . */
+    val shouldFlipIconView: Flow<Boolean> =
+        activeAuthType.flatMapLatest { activeAuthType: AuthType ->
+            when (activeAuthType) {
+                AuthType.Fingerprint,
+                AuthType.Coex ->
+                    combine(
+                        promptSelectorInteractor.sensorType,
+                        displayStateInteractor.currentRotation
+                    ) { sensorType: FingerprintSensorType, rotation: DisplayRotation ->
+                        when (sensorType) {
+                            FingerprintSensorType.POWER_BUTTON ->
+                                (rotation == DisplayRotation.ROTATION_180)
+                            else -> false
+                        }
+                    }
+                AuthType.Face -> flowOf(false)
+            }
+        }
+
+    /** Whether the current BiometricPromptLayout.iconView asset animation should be repeated. */
+    val shouldRepeatAnimation: Flow<Boolean> =
+        activeAuthType.flatMapLatest { activeAuthType: AuthType ->
+            when (activeAuthType) {
+                AuthType.Fingerprint,
+                AuthType.Coex -> flowOf(false)
+                AuthType.Face -> promptViewModel.isAuthenticating.map { it }
+            }
+        }
+
+    /** Called on configuration changes */
+    fun onConfigurationChanged(newConfig: Configuration) {
+        displayStateInteractor.onConfigurationChanged(newConfig)
+    }
+
+    /** iconView assets for caching */
+    fun getRawAssets(hasSfps: Boolean): List<Int> {
+        return if (hasSfps) {
+            listOf(
+                R.raw.biometricprompt_fingerprint_to_error_landscape,
+                R.raw.biometricprompt_folded_base_bottomright,
+                R.raw.biometricprompt_folded_base_default,
+                R.raw.biometricprompt_folded_base_topleft,
+                R.raw.biometricprompt_landscape_base,
+                R.raw.biometricprompt_portrait_base_bottomright,
+                R.raw.biometricprompt_portrait_base_topleft,
+                R.raw.biometricprompt_symbol_error_to_fingerprint_landscape,
+                R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_bottomright,
+                R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_topleft,
+                R.raw.biometricprompt_symbol_error_to_success_landscape,
+                R.raw.biometricprompt_symbol_error_to_success_portrait_bottomright,
+                R.raw.biometricprompt_symbol_error_to_success_portrait_topleft,
+                R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_bottomright,
+                R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_topleft,
+                R.raw.biometricprompt_symbol_fingerprint_to_success_landscape,
+                R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_bottomright,
+                R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_topleft
+            )
+        } else {
+            listOf(
+                R.raw.fingerprint_dialogue_error_to_fingerprint_lottie,
+                R.raw.fingerprint_dialogue_error_to_success_lottie,
+                R.raw.fingerprint_dialogue_fingerprint_to_error_lottie,
+                R.raw.fingerprint_dialogue_fingerprint_to_success_lottie
+            )
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModel.kt b/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModel.kt
index 267afae..e49b4a7 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModel.kt
@@ -28,10 +28,10 @@
 import com.android.systemui.biometrics.shared.model.BiometricModality
 import com.android.systemui.biometrics.shared.model.DisplayRotation
 import com.android.systemui.biometrics.shared.model.PromptKind
-import com.android.systemui.biometrics.ui.binder.Spaghetti
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.flags.FeatureFlags
 import com.android.systemui.flags.Flags.ONE_WAY_HAPTICS_API_MIGRATION
+import com.android.systemui.res.R
 import com.android.systemui.statusbar.VibratorHelper
 import javax.inject.Inject
 import kotlinx.coroutines.Job
@@ -39,7 +39,6 @@
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
@@ -51,25 +50,29 @@
 class PromptViewModel
 @Inject
 constructor(
-    private val displayStateInteractor: DisplayStateInteractor,
-    private val promptSelectorInteractor: PromptSelectorInteractor,
+    displayStateInteractor: DisplayStateInteractor,
+    promptSelectorInteractor: PromptSelectorInteractor,
     private val vibrator: VibratorHelper,
     @Application context: Context,
     private val featureFlags: FeatureFlags,
 ) {
-    /** Models UI of [BiometricPromptLayout.iconView] */
-    val fingerprintIconViewModel: PromptFingerprintIconViewModel =
-        PromptFingerprintIconViewModel(displayStateInteractor, promptSelectorInteractor)
-
     /** The set of modalities available for this prompt */
     val modalities: Flow<BiometricModalities> =
         promptSelectorInteractor.prompt
             .map { it?.modalities ?: BiometricModalities() }
             .distinctUntilChanged()
 
-    // TODO(b/251476085): remove after icon controllers are migrated - do not keep this state
-    private var _legacyState = MutableStateFlow(Spaghetti.BiometricState.STATE_IDLE)
-    val legacyState: StateFlow<Spaghetti.BiometricState> = _legacyState.asStateFlow()
+    /** Layout params for fingerprint iconView */
+    val fingerprintIconWidth: Int =
+        context.resources.getDimensionPixelSize(R.dimen.biometric_dialog_fingerprint_icon_width)
+    val fingerprintIconHeight: Int =
+        context.resources.getDimensionPixelSize(R.dimen.biometric_dialog_fingerprint_icon_height)
+
+    /** Layout params for face iconView */
+    val faceIconWidth: Int =
+        context.resources.getDimensionPixelSize(R.dimen.biometric_dialog_face_icon_size)
+    val faceIconHeight: Int =
+        context.resources.getDimensionPixelSize(R.dimen.biometric_dialog_face_icon_size)
 
     private val _isAuthenticating: MutableStateFlow<Boolean> = MutableStateFlow(false)
 
@@ -82,6 +85,12 @@
     /** If the user has successfully authenticated and confirmed (when explicitly required). */
     val isAuthenticated: Flow<PromptAuthState> = _isAuthenticated.asStateFlow()
 
+    /** If the auth is pending confirmation. */
+    val isPendingConfirmation: Flow<Boolean> =
+        isAuthenticated.map { authState ->
+            authState.isAuthenticated && authState.needsUserConfirmation
+        }
+
     private val _isOverlayTouched: MutableStateFlow<Boolean> = MutableStateFlow(false)
 
     /** The kind of credential the user has. */
@@ -96,6 +105,9 @@
     /** A message to show the user, if there is an error, hint, or help to show. */
     val message: Flow<PromptMessage> = _message.asStateFlow()
 
+    /** Whether an error message is currently being shown. */
+    val showingError: Flow<Boolean> = message.map { it.isError }.distinctUntilChanged()
+
     private val isRetrySupported: Flow<Boolean> = modalities.map { it.hasFace }
 
     private val _fingerprintStartMode = MutableStateFlow(FingerprintStartMode.Pending)
@@ -141,6 +153,38 @@
             !isOverlayTouched && size.isNotSmall
         }
 
+    /**
+     * When fingerprint and face modalities are enrolled, indicates whether only face auth has
+     * started.
+     *
+     * True when fingerprint and face modalities are enrolled and implicit flow is active. This
+     * occurs in co-ex auth when confirmation is not required and only face auth is started, then
+     * becomes false when device transitions to explicit flow after a first error, when the
+     * fingerprint sensor is started.
+     *
+     * False when the dialog opens in explicit flow (fingerprint and face modalities enrolled but
+     * confirmation is required), or if user has only fingerprint enrolled, or only face enrolled.
+     */
+    val faceMode: Flow<Boolean> =
+        combine(modalities, isConfirmationRequired, fingerprintStartMode) {
+                modalities: BiometricModalities,
+                isConfirmationRequired: Boolean,
+                fingerprintStartMode: FingerprintStartMode ->
+                if (modalities.hasFaceAndFingerprint) {
+                    if (isConfirmationRequired) {
+                        false
+                    } else {
+                        !fingerprintStartMode.isStarted
+                    }
+                } else {
+                    false
+                }
+            }
+            .distinctUntilChanged()
+
+    val iconViewModel: PromptIconViewModel =
+        PromptIconViewModel(this, displayStateInteractor, promptSelectorInteractor)
+
     /** Padding for prompt UI elements */
     val promptPadding: Flow<Rect> =
         combine(size, displayStateInteractor.currentRotation) { size, rotation ->
@@ -184,9 +228,9 @@
     val isConfirmButtonVisible: Flow<Boolean> =
         combine(
                 size,
-                isAuthenticated,
-            ) { size, authState ->
-                size.isNotSmall && authState.isAuthenticated && authState.needsUserConfirmation
+                isPendingConfirmation,
+            ) { size, isPendingConfirmation ->
+                size.isNotSmall && isPendingConfirmation
             }
             .distinctUntilChanged()
 
@@ -293,7 +337,6 @@
         _isAuthenticated.value = PromptAuthState(false)
         _forceMediumSize.value = true
         _message.value = PromptMessage.Error(message)
-        _legacyState.value = Spaghetti.BiometricState.STATE_ERROR
 
         if (hapticFeedback) {
             vibrator.error(failedModality)
@@ -305,7 +348,7 @@
             if (authenticateAfterError) {
                 showAuthenticating(messageAfterError)
             } else {
-                showInfo(messageAfterError)
+                showHelp(messageAfterError)
             }
         }
     }
@@ -325,15 +368,12 @@
     private fun supportsRetry(failedModality: BiometricModality) =
         failedModality == BiometricModality.Face
 
-    suspend fun showHelp(message: String) = showHelp(message, clearIconError = false)
-    suspend fun showInfo(message: String) = showHelp(message, clearIconError = true)
-
     /**
      * Show a persistent help message.
      *
      * Will be show even if the user has already authenticated.
      */
-    private suspend fun showHelp(message: String, clearIconError: Boolean) {
+    suspend fun showHelp(message: String) {
         val alreadyAuthenticated = _isAuthenticated.value.isAuthenticated
         if (!alreadyAuthenticated) {
             _isAuthenticating.value = false
@@ -343,16 +383,6 @@
         _message.value =
             if (message.isNotBlank()) PromptMessage.Help(message) else PromptMessage.Empty
         _forceMediumSize.value = true
-        _legacyState.value =
-            if (alreadyAuthenticated && isConfirmationRequired.first()) {
-                Spaghetti.BiometricState.STATE_PENDING_CONFIRMATION
-            } else if (alreadyAuthenticated && !isConfirmationRequired.first()) {
-                Spaghetti.BiometricState.STATE_AUTHENTICATED
-            } else if (clearIconError) {
-                Spaghetti.BiometricState.STATE_IDLE
-            } else {
-                Spaghetti.BiometricState.STATE_HELP
-            }
 
         messageJob?.cancel()
         messageJob = null
@@ -376,7 +406,6 @@
         _message.value =
             if (message.isNotBlank()) PromptMessage.Help(message) else PromptMessage.Empty
         _forceMediumSize.value = true
-        _legacyState.value = Spaghetti.BiometricState.STATE_HELP
 
         messageJob?.cancel()
         messageJob = launch {
@@ -396,7 +425,6 @@
         _isAuthenticating.value = true
         _isAuthenticated.value = PromptAuthState(false)
         _message.value = if (message.isBlank()) PromptMessage.Empty else PromptMessage.Help(message)
-        _legacyState.value = Spaghetti.BiometricState.STATE_AUTHENTICATING
 
         // reset the try again button(s) after the user attempts a retry
         if (isRetry) {
@@ -427,12 +455,6 @@
         _isAuthenticated.value =
             PromptAuthState(true, modality, needsUserConfirmation, dismissAfterDelay)
         _message.value = PromptMessage.Empty
-        _legacyState.value =
-            if (needsUserConfirmation) {
-                Spaghetti.BiometricState.STATE_PENDING_CONFIRMATION
-            } else {
-                Spaghetti.BiometricState.STATE_AUTHENTICATED
-            }
 
         if (!needsUserConfirmation) {
             vibrator.success(modality)
@@ -472,7 +494,6 @@
 
         _isAuthenticated.value = authState.asExplicitlyConfirmed()
         _message.value = PromptMessage.Empty
-        _legacyState.value = Spaghetti.BiometricState.STATE_AUTHENTICATED
 
         vibrator.success(authState.authenticatedModality)
 
diff --git a/packages/SystemUI/src/com/android/systemui/util/kotlin/Flow.kt b/packages/SystemUI/src/com/android/systemui/util/kotlin/Flow.kt
index 83ff789..b3834f5 100644
--- a/packages/SystemUI/src/com/android/systemui/util/kotlin/Flow.kt
+++ b/packages/SystemUI/src/com/android/systemui/util/kotlin/Flow.kt
@@ -269,3 +269,108 @@
     crossinline getValue: () -> T,
 ): StateFlow<T> =
     changedSignals.map { getValue() }.stateIn(this, SharingStarted.Eagerly, getValue())
+
+inline fun <T1, T2, T3, T4, T5, T6, R> combine(
+        flow: Flow<T1>,
+        flow2: Flow<T2>,
+        flow3: Flow<T3>,
+        flow4: Flow<T4>,
+        flow5: Flow<T5>,
+        flow6: Flow<T6>,
+        crossinline transform: suspend (T1, T2, T3, T4, T5, T6) -> R
+): Flow<R> {
+    return kotlinx.coroutines.flow.combine(flow, flow2, flow3, flow4, flow5, flow6) {
+        args: Array<*> ->
+        @Suppress("UNCHECKED_CAST")
+        transform(
+                args[0] as T1,
+                args[1] as T2,
+                args[2] as T3,
+                args[3] as T4,
+                args[4] as T5,
+                args[5] as T6
+        )
+    }
+}
+
+inline fun <T1, T2, T3, T4, T5, T6, T7, R> combine(
+        flow: Flow<T1>,
+        flow2: Flow<T2>,
+        flow3: Flow<T3>,
+        flow4: Flow<T4>,
+        flow5: Flow<T5>,
+        flow6: Flow<T6>,
+        flow7: Flow<T7>,
+        crossinline transform: suspend (T1, T2, T3, T4, T5, T6, T7) -> R
+): Flow<R> {
+    return kotlinx.coroutines.flow.combine(flow, flow2, flow3, flow4, flow5, flow6, flow7) {
+        args: Array<*> ->
+        @Suppress("UNCHECKED_CAST")
+        transform(
+                args[0] as T1,
+                args[1] as T2,
+                args[2] as T3,
+                args[3] as T4,
+                args[4] as T5,
+                args[5] as T6,
+                args[6] as T7
+        )
+    }
+}
+
+inline fun <T1, T2, T3, T4, T5, T6, T7, T8, R> combine(
+        flow: Flow<T1>,
+        flow2: Flow<T2>,
+        flow3: Flow<T3>,
+        flow4: Flow<T4>,
+        flow5: Flow<T5>,
+        flow6: Flow<T6>,
+        flow7: Flow<T7>,
+        flow8: Flow<T8>,
+        crossinline transform: suspend (T1, T2, T3, T4, T5, T6, T7, T8) -> R
+): Flow<R> {
+    return kotlinx.coroutines.flow.combine(flow, flow2, flow3, flow4, flow5, flow6, flow7, flow8) {
+        args: Array<*> ->
+        @Suppress("UNCHECKED_CAST")
+        transform(
+                args[0] as T1,
+                args[1] as T2,
+                args[2] as T3,
+                args[3] as T4,
+                args[4] as T5,
+                args[5] as T6,
+                args[6] as T7,
+                args[7] as T8
+        )
+    }
+}
+
+inline fun <T1, T2, T3, T4, T5, T6, T7, T8, T9, R> combine(
+        flow: Flow<T1>,
+        flow2: Flow<T2>,
+        flow3: Flow<T3>,
+        flow4: Flow<T4>,
+        flow5: Flow<T5>,
+        flow6: Flow<T6>,
+        flow7: Flow<T7>,
+        flow8: Flow<T8>,
+        flow9: Flow<T9>,
+        crossinline transform: suspend (T1, T2, T3, T4, T5, T6, T7, T8, T9) -> R
+): Flow<R> {
+    return kotlinx.coroutines.flow.combine(
+        flow, flow2, flow3, flow4, flow5, flow6, flow7, flow8, flow9
+    ) { args: Array<*> ->
+        @Suppress("UNCHECKED_CAST")
+        transform(
+                args[0] as T1,
+                args[1] as T2,
+                args[2] as T3,
+                args[3] as T4,
+                args[4] as T5,
+                args[5] as T6,
+                args[6] as T7,
+                args[6] as T8,
+                args[6] as T9,
+        )
+    }
+}
\ No newline at end of file
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthBiometricFingerprintIconControllerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthBiometricFingerprintIconControllerTest.kt
deleted file mode 100644
index 215d635..0000000
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/AuthBiometricFingerprintIconControllerTest.kt
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.biometrics
-
-import android.content.Context
-import android.hardware.biometrics.SensorProperties
-import android.hardware.fingerprint.FingerprintManager
-import android.hardware.fingerprint.FingerprintSensorProperties
-import android.hardware.fingerprint.FingerprintSensorPropertiesInternal
-import android.view.ViewGroup.LayoutParams
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import androidx.test.filters.SmallTest
-import com.airbnb.lottie.LottieAnimationView
-import com.android.systemui.res.R
-import com.android.systemui.SysuiTestCase
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState
-import com.google.common.truth.Truth.assertThat
-import org.junit.Before
-import org.junit.Rule
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.mockito.Mock
-import org.mockito.Mockito.`when` as whenEver
-import org.mockito.junit.MockitoJUnit
-
-private const val SENSOR_ID = 1
-
-@SmallTest
-@RunWith(AndroidJUnit4::class)
-class AuthBiometricFingerprintIconControllerTest : SysuiTestCase() {
-
-    @JvmField @Rule var mockitoRule = MockitoJUnit.rule()
-
-    @Mock private lateinit var iconView: LottieAnimationView
-    @Mock private lateinit var iconViewOverlay: LottieAnimationView
-    @Mock private lateinit var layoutParam: LayoutParams
-    @Mock private lateinit var fingerprintManager: FingerprintManager
-
-    private lateinit var controller: AuthBiometricFingerprintIconController
-
-    @Before
-    fun setUp() {
-        context.addMockSystemService(Context.FINGERPRINT_SERVICE, fingerprintManager)
-        whenEver(iconView.layoutParams).thenReturn(layoutParam)
-        whenEver(iconViewOverlay.layoutParams).thenReturn(layoutParam)
-    }
-
-    @Test
-    fun testIconContentDescription_SfpsDevice() {
-        setupFingerprintSensorProperties(FingerprintSensorProperties.TYPE_POWER_BUTTON)
-        controller = AuthBiometricFingerprintIconController(context, iconView, iconViewOverlay)
-
-        assertThat(controller.getIconContentDescription(BiometricState.STATE_AUTHENTICATING))
-            .isEqualTo(
-                context.resources.getString(
-                    R.string.security_settings_sfps_enroll_find_sensor_message
-                )
-            )
-    }
-
-    @Test
-    fun testIconContentDescription_NonSfpsDevice() {
-        setupFingerprintSensorProperties(FingerprintSensorProperties.TYPE_UDFPS_OPTICAL)
-        controller = AuthBiometricFingerprintIconController(context, iconView, iconViewOverlay)
-
-        assertThat(controller.getIconContentDescription(BiometricState.STATE_AUTHENTICATING))
-            .isEqualTo(context.resources.getString(R.string.fingerprint_dialog_touch_sensor))
-    }
-
-    private fun setupFingerprintSensorProperties(sensorType: Int) {
-        whenEver(fingerprintManager.sensorPropertiesInternal)
-            .thenReturn(
-                listOf(
-                    FingerprintSensorPropertiesInternal(
-                        SENSOR_ID,
-                        SensorProperties.STRENGTH_STRONG,
-                        5 /* maxEnrollmentsPerUser */,
-                        listOf() /* componentInfo */,
-                        sensorType,
-                        true /* halControlsIllumination */,
-                        true /* resetLockoutRequiresHardwareAuthToken */,
-                        listOf() /* sensorLocations */
-                    )
-                )
-            )
-    }
-}
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/BiometricTestExtensions.kt b/packages/SystemUI/tests/src/com/android/systemui/biometrics/BiometricTestExtensions.kt
index 9f24a9f..15633d1 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/BiometricTestExtensions.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/biometrics/BiometricTestExtensions.kt
@@ -30,6 +30,7 @@
 internal fun fingerprintSensorPropertiesInternal(
     ids: List<Int> = listOf(0),
     strong: Boolean = true,
+    sensorType: Int = FingerprintSensorProperties.TYPE_REAR
 ): List<FingerprintSensorPropertiesInternal> {
     val componentInfo =
         listOf(
@@ -54,7 +55,7 @@
             if (strong) SensorProperties.STRENGTH_STRONG else SensorProperties.STRENGTH_WEAK,
             5 /* maxEnrollmentsPerUser */,
             componentInfo,
-            FingerprintSensorProperties.TYPE_REAR,
+            sensorType,
             false /* resetLockoutRequiresHardwareAuthToken */
         )
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/ui/viewmodel/PromptFingerprintIconViewModelTest.kt b/packages/SystemUI/tests/src/com/android/systemui/biometrics/ui/viewmodel/PromptFingerprintIconViewModelTest.kt
deleted file mode 100644
index fd86486..0000000
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/ui/viewmodel/PromptFingerprintIconViewModelTest.kt
+++ /dev/null
@@ -1,102 +0,0 @@
-package com.android.systemui.biometrics.ui.viewmodel
-
-import android.content.res.Configuration
-import androidx.test.filters.SmallTest
-import com.android.internal.widget.LockPatternUtils
-import com.android.systemui.SysuiTestCase
-import com.android.systemui.biometrics.data.repository.FakeDisplayStateRepository
-import com.android.systemui.biometrics.data.repository.FakeFingerprintPropertyRepository
-import com.android.systemui.biometrics.data.repository.FakePromptRepository
-import com.android.systemui.biometrics.domain.interactor.DisplayStateInteractor
-import com.android.systemui.biometrics.domain.interactor.DisplayStateInteractorImpl
-import com.android.systemui.biometrics.domain.interactor.PromptSelectorInteractor
-import com.android.systemui.biometrics.domain.interactor.PromptSelectorInteractorImpl
-import com.android.systemui.biometrics.shared.model.FingerprintSensorType
-import com.android.systemui.biometrics.shared.model.SensorStrength
-import com.android.systemui.coroutines.collectLastValue
-import com.android.systemui.display.data.repository.FakeDisplayRepository
-import com.android.systemui.util.concurrency.FakeExecutor
-import com.android.systemui.util.time.FakeSystemClock
-import com.google.common.truth.Truth.assertThat
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.test.StandardTestDispatcher
-import kotlinx.coroutines.test.TestScope
-import kotlinx.coroutines.test.runCurrent
-import kotlinx.coroutines.test.runTest
-import org.junit.Before
-import org.junit.Rule
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.junit.runners.JUnit4
-import org.mockito.Mock
-import org.mockito.junit.MockitoJUnit
-
-@OptIn(ExperimentalCoroutinesApi::class)
-@SmallTest
-@RunWith(JUnit4::class)
-class PromptFingerprintIconViewModelTest : SysuiTestCase() {
-
-    @JvmField @Rule var mockitoRule = MockitoJUnit.rule()
-
-    @Mock private lateinit var lockPatternUtils: LockPatternUtils
-
-    private lateinit var displayRepository: FakeDisplayRepository
-    private lateinit var fingerprintRepository: FakeFingerprintPropertyRepository
-    private lateinit var promptRepository: FakePromptRepository
-    private lateinit var displayStateRepository: FakeDisplayStateRepository
-
-    private val testScope = TestScope(StandardTestDispatcher())
-    private val fakeExecutor = FakeExecutor(FakeSystemClock())
-
-    private lateinit var promptSelectorInteractor: PromptSelectorInteractor
-    private lateinit var displayStateInteractor: DisplayStateInteractor
-    private lateinit var viewModel: PromptFingerprintIconViewModel
-
-    @Before
-    fun setup() {
-        displayRepository = FakeDisplayRepository()
-        fingerprintRepository = FakeFingerprintPropertyRepository()
-        promptRepository = FakePromptRepository()
-        displayStateRepository = FakeDisplayStateRepository()
-
-        promptSelectorInteractor =
-            PromptSelectorInteractorImpl(fingerprintRepository, promptRepository, lockPatternUtils)
-        displayStateInteractor =
-            DisplayStateInteractorImpl(
-                testScope.backgroundScope,
-                mContext,
-                fakeExecutor,
-                displayStateRepository,
-                displayRepository,
-            )
-        viewModel = PromptFingerprintIconViewModel(displayStateInteractor, promptSelectorInteractor)
-    }
-
-    @Test
-    fun sfpsIconUpdates_onConfigurationChanged() {
-        testScope.runTest {
-            runCurrent()
-            configureFingerprintPropertyRepository(FingerprintSensorType.POWER_BUTTON)
-            val testConfig = Configuration()
-            val folded = INNER_SCREEN_SMALLEST_SCREEN_WIDTH_THRESHOLD_DP - 1
-            val unfolded = INNER_SCREEN_SMALLEST_SCREEN_WIDTH_THRESHOLD_DP + 1
-            val currentIcon = collectLastValue(viewModel.iconAsset)
-
-            testConfig.smallestScreenWidthDp = folded
-            viewModel.onConfigurationChanged(testConfig)
-            val foldedIcon = currentIcon()
-
-            testConfig.smallestScreenWidthDp = unfolded
-            viewModel.onConfigurationChanged(testConfig)
-            val unfoldedIcon = currentIcon()
-
-            assertThat(foldedIcon).isNotEqualTo(unfoldedIcon)
-        }
-    }
-
-    private fun configureFingerprintPropertyRepository(sensorType: FingerprintSensorType) {
-        fingerprintRepository.setProperties(0, SensorStrength.STRONG, sensorType, mapOf())
-    }
-}
-
-internal const val INNER_SCREEN_SMALLEST_SCREEN_WIDTH_THRESHOLD_DP = 600
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModelTest.kt b/packages/SystemUI/tests/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModelTest.kt
index ca6df40..b695a0e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModelTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/biometrics/ui/viewmodel/PromptViewModelTest.kt
@@ -16,8 +16,10 @@
 
 package com.android.systemui.biometrics.ui.viewmodel
 
+import android.content.res.Configuration
 import android.hardware.biometrics.PromptInfo
 import android.hardware.face.FaceSensorPropertiesInternal
+import android.hardware.fingerprint.FingerprintSensorProperties
 import android.hardware.fingerprint.FingerprintSensorPropertiesInternal
 import android.view.HapticFeedbackConstants
 import android.view.MotionEvent
@@ -36,12 +38,15 @@
 import com.android.systemui.biometrics.fingerprintSensorPropertiesInternal
 import com.android.systemui.biometrics.shared.model.BiometricModalities
 import com.android.systemui.biometrics.shared.model.BiometricModality
-import com.android.systemui.biometrics.ui.binder.Spaghetti.BiometricState
+import com.android.systemui.biometrics.shared.model.DisplayRotation
+import com.android.systemui.biometrics.shared.model.toSensorStrength
+import com.android.systemui.biometrics.shared.model.toSensorType
 import com.android.systemui.coroutines.collectLastValue
 import com.android.systemui.coroutines.collectValues
 import com.android.systemui.display.data.repository.FakeDisplayRepository
 import com.android.systemui.flags.FakeFeatureFlags
 import com.android.systemui.flags.Flags.ONE_WAY_HAPTICS_API_MIGRATION
+import com.android.systemui.res.R
 import com.android.systemui.statusbar.VibratorHelper
 import com.android.systemui.util.concurrency.FakeExecutor
 import com.android.systemui.util.mockito.any
@@ -66,6 +71,7 @@
 
 private const val USER_ID = 4
 private const val CHALLENGE = 2L
+private const val DELAY = 1000L
 
 @OptIn(ExperimentalCoroutinesApi::class)
 @SmallTest
@@ -88,11 +94,22 @@
 
     private lateinit var selector: PromptSelectorInteractor
     private lateinit var viewModel: PromptViewModel
+    private lateinit var iconViewModel: PromptIconViewModel
     private val featureFlags = FakeFeatureFlags()
 
     @Before
     fun setup() {
         fingerprintRepository = FakeFingerprintPropertyRepository()
+        testCase.fingerprint?.let {
+            fingerprintRepository.setProperties(
+                it.sensorId,
+                it.sensorStrength.toSensorStrength(),
+                it.sensorType.toSensorType(),
+                it.allLocations.associateBy { sensorLocationInternal ->
+                    sensorLocationInternal.displayId
+                }
+            )
+        }
         promptRepository = FakePromptRepository()
         displayStateRepository = FakeDisplayStateRepository()
         displayRepository = FakeDisplayRepository()
@@ -110,6 +127,7 @@
 
         viewModel =
             PromptViewModel(displayStateInteractor, selector, vibrator, mContext, featureFlags)
+        iconViewModel = viewModel.iconViewModel
         featureFlags.set(ONE_WAY_HAPTICS_API_MIGRATION, false)
     }
 
@@ -123,7 +141,6 @@
             val modalities by collectLastValue(viewModel.modalities)
             val message by collectLastValue(viewModel.message)
             val size by collectLastValue(viewModel.size)
-            val legacyState by collectLastValue(viewModel.legacyState)
 
             assertThat(authenticating).isFalse()
             assertThat(authenticated?.isNotAuthenticated).isTrue()
@@ -133,7 +150,6 @@
             }
             assertThat(message).isEqualTo(PromptMessage.Empty)
             assertThat(size).isEqualTo(expectedSize)
-            assertThat(legacyState).isEqualTo(BiometricState.STATE_IDLE)
 
             val startMessage = "here we go"
             viewModel.showAuthenticating(startMessage, isRetry = false)
@@ -143,7 +159,6 @@
             assertThat(authenticated?.isNotAuthenticated).isTrue()
             assertThat(size).isEqualTo(expectedSize)
             assertButtonsVisible(negative = expectedSize != PromptSize.SMALL)
-            assertThat(legacyState).isEqualTo(BiometricState.STATE_AUTHENTICATING)
         }
 
     @Test
@@ -205,6 +220,472 @@
         assertThat(currentConstant).isEqualTo(HapticFeedbackConstants.REJECT)
     }
 
+    @Test
+    fun start_idle_and_show_authenticating_iconUpdate() =
+        runGenericTest(doNotStart = true) {
+            val currentRotation by collectLastValue(displayStateInteractor.currentRotation)
+            val iconAsset by collectLastValue(iconViewModel.iconAsset)
+            val iconContentDescriptionId by collectLastValue(iconViewModel.contentDescriptionId)
+            val shouldAnimateIconView by collectLastValue(iconViewModel.shouldAnimateIconView)
+
+            val forceExplicitFlow = testCase.isCoex && testCase.authenticatedByFingerprint
+            if (forceExplicitFlow) {
+                viewModel.ensureFingerprintHasStarted(isDelayed = true)
+            }
+
+            val startMessage = "here we go"
+            viewModel.showAuthenticating(startMessage, isRetry = false)
+
+            if (testCase.isFingerprintOnly) {
+                val iconOverlayAsset by collectLastValue(iconViewModel.iconOverlayAsset)
+                val shouldAnimateIconOverlay by
+                    collectLastValue(iconViewModel.shouldAnimateIconOverlay)
+
+                if (testCase.sensorType == FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+                    val expectedOverlayAsset =
+                        when (currentRotation) {
+                            DisplayRotation.ROTATION_0 ->
+                                R.raw.biometricprompt_fingerprint_to_error_landscape
+                            DisplayRotation.ROTATION_90 ->
+                                R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_topleft
+                            DisplayRotation.ROTATION_180 ->
+                                R.raw.biometricprompt_fingerprint_to_error_landscape
+                            DisplayRotation.ROTATION_270 ->
+                                R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_bottomright
+                            else -> throw Exception("invalid rotation")
+                        }
+                    assertThat(iconOverlayAsset).isEqualTo(expectedOverlayAsset)
+                    assertThat(iconContentDescriptionId)
+                        .isEqualTo(R.string.security_settings_sfps_enroll_find_sensor_message)
+                    assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+                } else {
+                    assertThat(iconAsset)
+                        .isEqualTo(R.raw.fingerprint_dialogue_fingerprint_to_error_lottie)
+                    assertThat(iconOverlayAsset).isEqualTo(-1)
+                    assertThat(iconContentDescriptionId)
+                        .isEqualTo(R.string.fingerprint_dialog_touch_sensor)
+                    assertThat(shouldAnimateIconView).isEqualTo(false)
+                    assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+                }
+            }
+
+            if (testCase.isFaceOnly) {
+                val shouldRepeatAnimation by collectLastValue(iconViewModel.shouldRepeatAnimation)
+                val shouldPulseAnimation by collectLastValue(iconViewModel.shouldPulseAnimation)
+                val lastPulseLightToDark by collectLastValue(iconViewModel.lastPulseLightToDark)
+
+                val expectedIconAsset =
+                    if (shouldPulseAnimation!!) {
+                        if (lastPulseLightToDark!!) {
+                            R.drawable.face_dialog_pulse_dark_to_light
+                        } else {
+                            R.drawable.face_dialog_pulse_light_to_dark
+                        }
+                    } else {
+                        R.drawable.face_dialog_pulse_dark_to_light
+                    }
+                assertThat(iconAsset).isEqualTo(expectedIconAsset)
+                assertThat(iconContentDescriptionId)
+                    .isEqualTo(R.string.biometric_dialog_face_icon_description_authenticating)
+                assertThat(shouldAnimateIconView).isEqualTo(true)
+                assertThat(shouldRepeatAnimation).isEqualTo(true)
+            }
+
+            if (testCase.isCoex) {
+                if (testCase.confirmationRequested || forceExplicitFlow) {
+                    // explicit flow
+                    val iconOverlayAsset by collectLastValue(iconViewModel.iconOverlayAsset)
+                    val shouldAnimateIconOverlay by
+                        collectLastValue(iconViewModel.shouldAnimateIconOverlay)
+
+                    // TODO: Update when SFPS co-ex is implemented
+                    if (testCase.sensorType != FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+                        assertThat(iconAsset)
+                            .isEqualTo(R.raw.fingerprint_dialogue_fingerprint_to_error_lottie)
+                        assertThat(iconOverlayAsset).isEqualTo(-1)
+                        assertThat(iconContentDescriptionId)
+                            .isEqualTo(R.string.fingerprint_dialog_touch_sensor)
+                        assertThat(shouldAnimateIconView).isEqualTo(false)
+                        assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+                    }
+                } else {
+                    // implicit flow
+                    val shouldRepeatAnimation by
+                        collectLastValue(iconViewModel.shouldRepeatAnimation)
+                    val shouldPulseAnimation by collectLastValue(iconViewModel.shouldPulseAnimation)
+                    val lastPulseLightToDark by collectLastValue(iconViewModel.lastPulseLightToDark)
+
+                    val expectedIconAsset =
+                        if (shouldPulseAnimation!!) {
+                            if (lastPulseLightToDark!!) {
+                                R.drawable.face_dialog_pulse_dark_to_light
+                            } else {
+                                R.drawable.face_dialog_pulse_light_to_dark
+                            }
+                        } else {
+                            R.drawable.face_dialog_pulse_dark_to_light
+                        }
+                    assertThat(iconAsset).isEqualTo(expectedIconAsset)
+                    assertThat(iconContentDescriptionId)
+                        .isEqualTo(R.string.biometric_dialog_face_icon_description_authenticating)
+                    assertThat(shouldAnimateIconView).isEqualTo(true)
+                    assertThat(shouldRepeatAnimation).isEqualTo(true)
+                }
+            }
+        }
+
+    @Test
+    fun start_authenticating_show_and_clear_error_iconUpdate() = runGenericTest {
+        val currentRotation by collectLastValue(displayStateInteractor.currentRotation)
+
+        val iconAsset by collectLastValue(iconViewModel.iconAsset)
+        val iconContentDescriptionId by collectLastValue(iconViewModel.contentDescriptionId)
+        val shouldAnimateIconView by collectLastValue(iconViewModel.shouldAnimateIconView)
+
+        val forceExplicitFlow = testCase.isCoex && testCase.authenticatedByFingerprint
+        if (forceExplicitFlow) {
+            viewModel.ensureFingerprintHasStarted(isDelayed = true)
+        }
+
+        val errorJob = launch {
+            viewModel.showTemporaryError(
+                "so sad",
+                messageAfterError = "",
+                authenticateAfterError = testCase.isFingerprintOnly || testCase.isCoex,
+            )
+            // Usually done by binder
+            iconViewModel.setPreviousIconWasError(true)
+            iconViewModel.setPreviousIconOverlayWasError(true)
+        }
+
+        if (testCase.isFingerprintOnly) {
+            val iconOverlayAsset by collectLastValue(iconViewModel.iconOverlayAsset)
+            val shouldAnimateIconOverlay by collectLastValue(iconViewModel.shouldAnimateIconOverlay)
+
+            if (testCase.sensorType == FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+                val expectedOverlayAsset =
+                    when (currentRotation) {
+                        DisplayRotation.ROTATION_0 ->
+                            R.raw.biometricprompt_fingerprint_to_error_landscape
+                        DisplayRotation.ROTATION_90 ->
+                            R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_topleft
+                        DisplayRotation.ROTATION_180 ->
+                            R.raw.biometricprompt_fingerprint_to_error_landscape
+                        DisplayRotation.ROTATION_270 ->
+                            R.raw.biometricprompt_symbol_fingerprint_to_error_portrait_bottomright
+                        else -> throw Exception("invalid rotation")
+                    }
+                assertThat(iconOverlayAsset).isEqualTo(expectedOverlayAsset)
+                assertThat(iconContentDescriptionId).isEqualTo(R.string.biometric_dialog_try_again)
+                assertThat(shouldAnimateIconOverlay).isEqualTo(true)
+            } else {
+                assertThat(iconAsset)
+                    .isEqualTo(R.raw.fingerprint_dialogue_fingerprint_to_error_lottie)
+                assertThat(iconOverlayAsset).isEqualTo(-1)
+                assertThat(iconContentDescriptionId).isEqualTo(R.string.biometric_dialog_try_again)
+                assertThat(shouldAnimateIconView).isEqualTo(true)
+                assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+            }
+
+            // Clear error, restart authenticating
+            errorJob.join()
+
+            if (testCase.sensorType == FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+                val expectedOverlayAsset =
+                    when (currentRotation) {
+                        DisplayRotation.ROTATION_0 ->
+                            R.raw.biometricprompt_symbol_error_to_fingerprint_landscape
+                        DisplayRotation.ROTATION_90 ->
+                            R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_topleft
+                        DisplayRotation.ROTATION_180 ->
+                            R.raw.biometricprompt_symbol_error_to_fingerprint_landscape
+                        DisplayRotation.ROTATION_270 ->
+                            R.raw.biometricprompt_symbol_error_to_fingerprint_portrait_bottomright
+                        else -> throw Exception("invalid rotation")
+                    }
+                assertThat(iconOverlayAsset).isEqualTo(expectedOverlayAsset)
+                assertThat(iconContentDescriptionId)
+                    .isEqualTo(R.string.security_settings_sfps_enroll_find_sensor_message)
+                assertThat(shouldAnimateIconOverlay).isEqualTo(true)
+            } else {
+                assertThat(iconAsset)
+                    .isEqualTo(R.raw.fingerprint_dialogue_error_to_fingerprint_lottie)
+                assertThat(iconOverlayAsset).isEqualTo(-1)
+                assertThat(iconContentDescriptionId)
+                    .isEqualTo(R.string.fingerprint_dialog_touch_sensor)
+                assertThat(shouldAnimateIconView).isEqualTo(true)
+                assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+            }
+        }
+
+        if (testCase.isFaceOnly) {
+            val shouldRepeatAnimation by collectLastValue(iconViewModel.shouldRepeatAnimation)
+            val shouldPulseAnimation by collectLastValue(iconViewModel.shouldPulseAnimation)
+
+            assertThat(shouldPulseAnimation!!).isEqualTo(false)
+            assertThat(iconAsset).isEqualTo(R.drawable.face_dialog_dark_to_error)
+            assertThat(iconContentDescriptionId).isEqualTo(R.string.keyguard_face_failed)
+            assertThat(shouldAnimateIconView).isEqualTo(true)
+            assertThat(shouldRepeatAnimation).isEqualTo(false)
+
+            // Clear error, go to idle
+            errorJob.join()
+
+            assertThat(iconAsset).isEqualTo(R.drawable.face_dialog_error_to_idle)
+            assertThat(iconContentDescriptionId)
+                .isEqualTo(R.string.biometric_dialog_face_icon_description_idle)
+            assertThat(shouldAnimateIconView).isEqualTo(true)
+            assertThat(shouldRepeatAnimation).isEqualTo(false)
+        }
+
+        if (testCase.isCoex) {
+            val iconOverlayAsset by collectLastValue(iconViewModel.iconOverlayAsset)
+            val shouldAnimateIconOverlay by collectLastValue(iconViewModel.shouldAnimateIconOverlay)
+
+            // TODO: Update when SFPS co-ex is implemented
+            if (testCase.sensorType != FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+                assertThat(iconAsset)
+                    .isEqualTo(R.raw.fingerprint_dialogue_fingerprint_to_error_lottie)
+                assertThat(iconOverlayAsset).isEqualTo(-1)
+                assertThat(iconContentDescriptionId).isEqualTo(R.string.biometric_dialog_try_again)
+                assertThat(shouldAnimateIconView).isEqualTo(true)
+                assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+            }
+
+            // Clear error, restart authenticating
+            errorJob.join()
+
+            if (testCase.sensorType != FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+                assertThat(iconAsset)
+                    .isEqualTo(R.raw.fingerprint_dialogue_error_to_fingerprint_lottie)
+                assertThat(iconOverlayAsset).isEqualTo(-1)
+                assertThat(iconContentDescriptionId)
+                    .isEqualTo(R.string.fingerprint_dialog_touch_sensor)
+                assertThat(shouldAnimateIconView).isEqualTo(true)
+                assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+            }
+        }
+    }
+
+    @Test
+    fun shows_authenticated_no_errors_no_confirmation_required_iconUpdate() = runGenericTest {
+        if (!testCase.confirmationRequested) {
+            val currentRotation by collectLastValue(displayStateInteractor.currentRotation)
+
+            val iconAsset by collectLastValue(iconViewModel.iconAsset)
+            val iconContentDescriptionId by collectLastValue(iconViewModel.contentDescriptionId)
+            val shouldAnimateIconView by collectLastValue(iconViewModel.shouldAnimateIconView)
+
+            viewModel.showAuthenticated(
+                modality = testCase.authenticatedModality,
+                dismissAfterDelay = DELAY
+            )
+
+            if (testCase.isFingerprintOnly) {
+                val iconOverlayAsset by collectLastValue(iconViewModel.iconOverlayAsset)
+                val shouldAnimateIconOverlay by
+                    collectLastValue(iconViewModel.shouldAnimateIconOverlay)
+
+                if (testCase.sensorType == FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+                    val expectedOverlayAsset =
+                        when (currentRotation) {
+                            DisplayRotation.ROTATION_0 ->
+                                R.raw.biometricprompt_symbol_fingerprint_to_success_landscape
+                            DisplayRotation.ROTATION_90 ->
+                                R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_topleft
+                            DisplayRotation.ROTATION_180 ->
+                                R.raw.biometricprompt_symbol_fingerprint_to_success_landscape
+                            DisplayRotation.ROTATION_270 ->
+                                R.raw.biometricprompt_symbol_fingerprint_to_success_portrait_bottomright
+                            else -> throw Exception("invalid rotation")
+                        }
+                    assertThat(iconOverlayAsset).isEqualTo(expectedOverlayAsset)
+                    assertThat(iconContentDescriptionId)
+                        .isEqualTo(R.string.security_settings_sfps_enroll_find_sensor_message)
+                    assertThat(shouldAnimateIconOverlay).isEqualTo(true)
+                } else {
+                    val isAuthenticated by collectLastValue(viewModel.isAuthenticated)
+                    assertThat(iconAsset)
+                        .isEqualTo(R.raw.fingerprint_dialogue_fingerprint_to_success_lottie)
+                    assertThat(iconOverlayAsset).isEqualTo(-1)
+                    assertThat(iconContentDescriptionId)
+                        .isEqualTo(R.string.fingerprint_dialog_touch_sensor)
+                    assertThat(shouldAnimateIconView).isEqualTo(true)
+                    assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+                }
+            }
+
+            // If co-ex, using implicit flow (explicit flow always requires confirmation)
+            if (testCase.isFaceOnly || testCase.isCoex) {
+                val shouldRepeatAnimation by collectLastValue(iconViewModel.shouldRepeatAnimation)
+                val shouldPulseAnimation by collectLastValue(iconViewModel.shouldPulseAnimation)
+
+                assertThat(shouldPulseAnimation!!).isEqualTo(false)
+                assertThat(iconAsset).isEqualTo(R.drawable.face_dialog_dark_to_checkmark)
+                assertThat(iconContentDescriptionId)
+                    .isEqualTo(R.string.biometric_dialog_face_icon_description_authenticated)
+                assertThat(shouldAnimateIconView).isEqualTo(true)
+                assertThat(shouldRepeatAnimation).isEqualTo(false)
+            }
+        }
+    }
+
+    @Test
+    fun shows_pending_confirmation_iconUpdate() = runGenericTest {
+        if (
+            (testCase.isFaceOnly || testCase.isCoex) &&
+                testCase.authenticatedByFace &&
+                testCase.confirmationRequested
+        ) {
+            val iconAsset by collectLastValue(iconViewModel.iconAsset)
+            val iconContentDescriptionId by collectLastValue(iconViewModel.contentDescriptionId)
+            val shouldAnimateIconView by collectLastValue(iconViewModel.shouldAnimateIconView)
+
+            viewModel.showAuthenticated(
+                modality = testCase.authenticatedModality,
+                dismissAfterDelay = DELAY
+            )
+
+            if (testCase.isFaceOnly) {
+                val shouldRepeatAnimation by collectLastValue(iconViewModel.shouldRepeatAnimation)
+                val shouldPulseAnimation by collectLastValue(iconViewModel.shouldPulseAnimation)
+
+                assertThat(shouldPulseAnimation!!).isEqualTo(false)
+                assertThat(iconAsset).isEqualTo(R.drawable.face_dialog_wink_from_dark)
+                assertThat(iconContentDescriptionId)
+                    .isEqualTo(R.string.biometric_dialog_face_icon_description_authenticated)
+                assertThat(shouldAnimateIconView).isEqualTo(true)
+                assertThat(shouldRepeatAnimation).isEqualTo(false)
+            }
+
+            // explicit flow because confirmation requested
+            if (testCase.isCoex) {
+                val iconOverlayAsset by collectLastValue(iconViewModel.iconOverlayAsset)
+                val shouldAnimateIconOverlay by
+                    collectLastValue(iconViewModel.shouldAnimateIconOverlay)
+
+                // TODO: Update when SFPS co-ex is implemented
+                if (testCase.sensorType != FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+                    assertThat(iconAsset)
+                        .isEqualTo(R.raw.fingerprint_dialogue_fingerprint_to_unlock_lottie)
+                    assertThat(iconOverlayAsset).isEqualTo(-1)
+                    assertThat(iconContentDescriptionId)
+                        .isEqualTo(R.string.fingerprint_dialog_authenticated_confirmation)
+                    assertThat(shouldAnimateIconView).isEqualTo(true)
+                    assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+                }
+            }
+        }
+    }
+
+    @Test
+    fun shows_authenticated_explicitly_confirmed_iconUpdate() = runGenericTest {
+        if (
+            (testCase.isFaceOnly || testCase.isCoex) &&
+                testCase.authenticatedByFace &&
+                testCase.confirmationRequested
+        ) {
+            val iconAsset by collectLastValue(iconViewModel.iconAsset)
+            val iconContentDescriptionId by collectLastValue(iconViewModel.contentDescriptionId)
+            val shouldAnimateIconView by collectLastValue(iconViewModel.shouldAnimateIconView)
+
+            viewModel.showAuthenticated(
+                modality = testCase.authenticatedModality,
+                dismissAfterDelay = DELAY
+            )
+
+            viewModel.confirmAuthenticated()
+
+            if (testCase.isFaceOnly) {
+                val shouldRepeatAnimation by collectLastValue(iconViewModel.shouldRepeatAnimation)
+                val shouldPulseAnimation by collectLastValue(iconViewModel.shouldPulseAnimation)
+
+                assertThat(shouldPulseAnimation!!).isEqualTo(false)
+                assertThat(iconAsset).isEqualTo(R.drawable.face_dialog_dark_to_checkmark)
+                assertThat(iconContentDescriptionId)
+                    .isEqualTo(R.string.biometric_dialog_face_icon_description_confirmed)
+                assertThat(shouldAnimateIconView).isEqualTo(true)
+                assertThat(shouldRepeatAnimation).isEqualTo(false)
+            }
+
+            // explicit flow because confirmation requested
+            if (testCase.isCoex) {
+                val iconOverlayAsset by collectLastValue(iconViewModel.iconOverlayAsset)
+                val shouldAnimateIconOverlay by
+                    collectLastValue(iconViewModel.shouldAnimateIconOverlay)
+
+                // TODO: Update when SFPS co-ex is implemented
+                if (testCase.sensorType != FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+                    assertThat(iconAsset)
+                        .isEqualTo(R.raw.fingerprint_dialogue_unlocked_to_checkmark_success_lottie)
+                    assertThat(iconOverlayAsset).isEqualTo(-1)
+                    assertThat(iconContentDescriptionId)
+                        .isEqualTo(R.string.fingerprint_dialog_touch_sensor)
+                    assertThat(shouldAnimateIconView).isEqualTo(true)
+                    assertThat(shouldAnimateIconOverlay).isEqualTo(false)
+                }
+            }
+        }
+    }
+
+    @Test
+    fun sfpsIconUpdates_onConfigurationChanged() = runGenericTest {
+        if (testCase.sensorType == FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+            val testConfig = Configuration()
+            val folded = INNER_SCREEN_SMALLEST_SCREEN_WIDTH_THRESHOLD_DP - 1
+            val unfolded = INNER_SCREEN_SMALLEST_SCREEN_WIDTH_THRESHOLD_DP + 1
+            val currentIcon by collectLastValue(iconViewModel.iconAsset)
+
+            testConfig.smallestScreenWidthDp = folded
+            iconViewModel.onConfigurationChanged(testConfig)
+            val foldedIcon = currentIcon
+
+            testConfig.smallestScreenWidthDp = unfolded
+            iconViewModel.onConfigurationChanged(testConfig)
+            val unfoldedIcon = currentIcon
+
+            assertThat(foldedIcon).isNotEqualTo(unfoldedIcon)
+        }
+    }
+
+    @Test
+    fun sfpsIconUpdates_onRotation() = runGenericTest {
+        if (testCase.sensorType == FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+            val currentIcon by collectLastValue(iconViewModel.iconAsset)
+
+            displayStateRepository.setCurrentRotation(DisplayRotation.ROTATION_0)
+            val iconRotation0 = currentIcon
+
+            displayStateRepository.setCurrentRotation(DisplayRotation.ROTATION_90)
+            val iconRotation90 = currentIcon
+
+            displayStateRepository.setCurrentRotation(DisplayRotation.ROTATION_180)
+            val iconRotation180 = currentIcon
+
+            displayStateRepository.setCurrentRotation(DisplayRotation.ROTATION_270)
+            val iconRotation270 = currentIcon
+
+            assertThat(iconRotation0).isEqualTo(iconRotation180)
+            assertThat(iconRotation0).isNotEqualTo(iconRotation90)
+            assertThat(iconRotation0).isNotEqualTo(iconRotation270)
+        }
+    }
+
+    @Test
+    fun sfpsIconUpdates_onRearDisplayMode() = runGenericTest {
+        if (testCase.sensorType == FingerprintSensorProperties.TYPE_POWER_BUTTON) {
+            val currentIcon by collectLastValue(iconViewModel.iconAsset)
+
+            displayStateRepository.setIsInRearDisplayMode(false)
+            val iconNotRearDisplayMode = currentIcon
+
+            displayStateRepository.setIsInRearDisplayMode(true)
+            val iconRearDisplayMode = currentIcon
+
+            assertThat(iconNotRearDisplayMode).isNotEqualTo(iconRearDisplayMode)
+        }
+    }
+
     private suspend fun TestScope.showAuthenticated(
         authenticatedModality: BiometricModality,
         expectConfirmation: Boolean,
@@ -213,7 +694,6 @@
         val authenticated by collectLastValue(viewModel.isAuthenticated)
         val fpStartMode by collectLastValue(viewModel.fingerprintStartMode)
         val size by collectLastValue(viewModel.size)
-        val legacyState by collectLastValue(viewModel.legacyState)
 
         val authWithSmallPrompt =
             testCase.shouldStartAsImplicitFlow &&
@@ -221,14 +701,12 @@
         assertThat(authenticating).isTrue()
         assertThat(authenticated?.isNotAuthenticated).isTrue()
         assertThat(size).isEqualTo(if (authWithSmallPrompt) PromptSize.SMALL else PromptSize.MEDIUM)
-        assertThat(legacyState).isEqualTo(BiometricState.STATE_AUTHENTICATING)
         assertButtonsVisible(negative = !authWithSmallPrompt)
 
-        val delay = 1000L
-        viewModel.showAuthenticated(authenticatedModality, delay)
+        viewModel.showAuthenticated(authenticatedModality, DELAY)
 
         assertThat(authenticated?.isAuthenticated).isTrue()
-        assertThat(authenticated?.delay).isEqualTo(delay)
+        assertThat(authenticated?.delay).isEqualTo(DELAY)
         assertThat(authenticated?.needsUserConfirmation).isEqualTo(expectConfirmation)
         assertThat(size)
             .isEqualTo(
@@ -238,14 +716,7 @@
                     PromptSize.SMALL
                 }
             )
-        assertThat(legacyState)
-            .isEqualTo(
-                if (expectConfirmation) {
-                    BiometricState.STATE_PENDING_CONFIRMATION
-                } else {
-                    BiometricState.STATE_AUTHENTICATED
-                }
-            )
+
         assertButtonsVisible(
             cancel = expectConfirmation,
             confirm = expectConfirmation,
@@ -298,7 +769,6 @@
         val message by collectLastValue(viewModel.message)
         val messageVisible by collectLastValue(viewModel.isIndicatorMessageVisible)
         val size by collectLastValue(viewModel.size)
-        val legacyState by collectLastValue(viewModel.legacyState)
         val canTryAgainNow by collectLastValue(viewModel.canTryAgainNow)
 
         val errorJob = launch {
@@ -312,7 +782,6 @@
         assertThat(size).isEqualTo(PromptSize.MEDIUM)
         assertThat(message).isEqualTo(PromptMessage.Error(errorMessage))
         assertThat(messageVisible).isTrue()
-        assertThat(legacyState).isEqualTo(BiometricState.STATE_ERROR)
 
         // temporary error should disappear after a delay
         errorJob.join()
@@ -323,17 +792,6 @@
             assertThat(message).isEqualTo(PromptMessage.Empty)
             assertThat(messageVisible).isFalse()
         }
-        val clearIconError = !restart
-        assertThat(legacyState)
-            .isEqualTo(
-                if (restart) {
-                    BiometricState.STATE_AUTHENTICATING
-                } else if (clearIconError) {
-                    BiometricState.STATE_IDLE
-                } else {
-                    BiometricState.STATE_HELP
-                }
-            )
 
         assertThat(authenticating).isEqualTo(restart)
         assertThat(authenticated?.isNotAuthenticated).isTrue()
@@ -488,7 +946,6 @@
         val authenticated by collectLastValue(viewModel.isAuthenticated)
         val message by collectLastValue(viewModel.message)
         val size by collectLastValue(viewModel.size)
-        val legacyState by collectLastValue(viewModel.legacyState)
         val canTryAgain by collectLastValue(viewModel.canTryAgainNow)
 
         assertThat(authenticated?.needsUserConfirmation).isEqualTo(expectConfirmation)
@@ -506,7 +963,6 @@
 
         assertThat(authenticating).isFalse()
         assertThat(authenticated?.isAuthenticated).isTrue()
-        assertThat(legacyState).isEqualTo(BiometricState.STATE_AUTHENTICATED)
         assertThat(canTryAgain).isFalse()
     }
 
@@ -524,7 +980,6 @@
         val authenticated by collectLastValue(viewModel.isAuthenticated)
         val message by collectLastValue(viewModel.message)
         val size by collectLastValue(viewModel.size)
-        val legacyState by collectLastValue(viewModel.legacyState)
         val canTryAgain by collectLastValue(viewModel.canTryAgainNow)
 
         assertThat(authenticating).isFalse()
@@ -532,8 +987,6 @@
         assertThat(authenticated?.isAuthenticated).isTrue()
 
         if (testCase.isFaceOnly && expectConfirmation) {
-            assertThat(legacyState).isEqualTo(BiometricState.STATE_PENDING_CONFIRMATION)
-
             assertThat(size).isEqualTo(PromptSize.MEDIUM)
             assertButtonsVisible(
                 cancel = true,
@@ -543,8 +996,6 @@
             viewModel.confirmAuthenticated()
             assertThat(message).isEqualTo(PromptMessage.Empty)
             assertButtonsVisible()
-        } else {
-            assertThat(legacyState).isEqualTo(BiometricState.STATE_AUTHENTICATED)
         }
     }
 
@@ -563,7 +1014,6 @@
         val authenticated by collectLastValue(viewModel.isAuthenticated)
         val message by collectLastValue(viewModel.message)
         val size by collectLastValue(viewModel.size)
-        val legacyState by collectLastValue(viewModel.legacyState)
         val canTryAgain by collectLastValue(viewModel.canTryAgainNow)
 
         assertThat(authenticated?.needsUserConfirmation).isEqualTo(expectConfirmation)
@@ -581,7 +1031,6 @@
 
         assertThat(authenticating).isFalse()
         assertThat(authenticated?.isAuthenticated).isTrue()
-        assertThat(legacyState).isEqualTo(BiometricState.STATE_AUTHENTICATED)
         assertThat(canTryAgain).isFalse()
     }
 
@@ -610,12 +1059,10 @@
         val message by collectLastValue(viewModel.message)
         val messageVisible by collectLastValue(viewModel.isIndicatorMessageVisible)
         val size by collectLastValue(viewModel.size)
-        val legacyState by collectLastValue(viewModel.legacyState)
 
         viewModel.showHelp(helpMessage)
 
         assertThat(size).isEqualTo(PromptSize.MEDIUM)
-        assertThat(legacyState).isEqualTo(BiometricState.STATE_HELP)
         assertThat(message).isEqualTo(PromptMessage.Help(helpMessage))
         assertThat(messageVisible).isTrue()
 
@@ -632,7 +1079,6 @@
         val message by collectLastValue(viewModel.message)
         val messageVisible by collectLastValue(viewModel.isIndicatorMessageVisible)
         val size by collectLastValue(viewModel.size)
-        val legacyState by collectLastValue(viewModel.legacyState)
         val confirmationRequired by collectLastValue(viewModel.isConfirmationRequired)
 
         if (testCase.isCoex && testCase.authenticatedByFingerprint) {
@@ -642,11 +1088,7 @@
         viewModel.showHelp(helpMessage)
 
         assertThat(size).isEqualTo(PromptSize.MEDIUM)
-        if (confirmationRequired == true) {
-            assertThat(legacyState).isEqualTo(BiometricState.STATE_PENDING_CONFIRMATION)
-        } else {
-            assertThat(legacyState).isEqualTo(BiometricState.STATE_AUTHENTICATED)
-        }
+
         assertThat(message).isEqualTo(PromptMessage.Help(helpMessage))
         assertThat(messageVisible).isTrue()
         assertThat(authenticating).isFalse()
@@ -785,6 +1227,15 @@
                     authenticatedModality = BiometricModality.Fingerprint,
                 ),
                 TestCase(
+                    fingerprint =
+                        fingerprintSensorPropertiesInternal(
+                                strong = true,
+                                sensorType = FingerprintSensorProperties.TYPE_POWER_BUTTON
+                            )
+                            .first(),
+                    authenticatedModality = BiometricModality.Fingerprint,
+                ),
+                TestCase(
                     face = faceSensorPropertiesInternal(strong = true).first(),
                     authenticatedModality = BiometricModality.Face,
                     confirmationRequested = true,
@@ -794,6 +1245,16 @@
                     authenticatedModality = BiometricModality.Fingerprint,
                     confirmationRequested = true,
                 ),
+                TestCase(
+                    fingerprint =
+                        fingerprintSensorPropertiesInternal(
+                                strong = true,
+                                sensorType = FingerprintSensorProperties.TYPE_POWER_BUTTON
+                            )
+                            .first(),
+                    authenticatedModality = BiometricModality.Fingerprint,
+                    confirmationRequested = true,
+                ),
             )
 
         private val coexTestCases =
@@ -834,7 +1295,9 @@
         val modality =
             when {
                 fingerprint != null && face != null -> "coex"
-                fingerprint != null -> "fingerprint only"
+                fingerprint != null && fingerprint.isAnySidefpsType -> "fingerprint only, sideFps"
+                fingerprint != null && !fingerprint.isAnySidefpsType ->
+                    "fingerprint only, non-sideFps"
                 face != null -> "face only"
                 else -> "?"
             }
@@ -864,6 +1327,8 @@
     val isCoex: Boolean
         get() = face != null && fingerprint != null
 
+    @FingerprintSensorProperties.SensorType val sensorType: Int? = fingerprint?.sensorType
+
     val shouldStartAsImplicitFlow: Boolean
         get() = (isFaceOnly || isCoex) && !confirmationRequested
 }
@@ -890,3 +1355,5 @@
         BiometricModalities(fingerprintProperties = fingerprint, faceProperties = face),
     )
 }
+
+internal const val INNER_SCREEN_SMALLEST_SCREEN_WIDTH_THRESHOLD_DP = 600