diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/keyguard/data/repository/FingerprintPropertyRepositoryTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/keyguard/data/repository/FingerprintPropertyRepositoryTest.kt
deleted file mode 100644
index 1e7ed63..0000000
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/keyguard/data/repository/FingerprintPropertyRepositoryTest.kt
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright (C) 2024 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.keyguard.data.repository
-
-import android.hardware.fingerprint.FingerprintManager
-import android.hardware.fingerprint.IFingerprintAuthenticatorsRegisteredCallback
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import androidx.test.filters.SmallTest
-import com.android.systemui.SysuiTestCase
-import com.android.systemui.biometrics.data.repository.FingerprintPropertyRepositoryImpl
-import com.android.systemui.coroutines.collectLastValue
-import com.google.common.truth.Truth.assertThat
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-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.mockito.ArgumentCaptor
-import org.mockito.Captor
-import org.mockito.Mock
-import org.mockito.Mockito.verify
-import org.mockito.junit.MockitoJUnit
-import org.mockito.junit.MockitoRule
-
-@ExperimentalCoroutinesApi
-@RunWith(AndroidJUnit4::class)
-@SmallTest
-class FingerprintPropertyRepositoryTest : SysuiTestCase() {
-    @JvmField @Rule val mockitoRule: MockitoRule = MockitoJUnit.rule()
-    private val testScope = TestScope()
-    private lateinit var underTest: FingerprintPropertyRepositoryImpl
-    @Mock private lateinit var fingerprintManager: FingerprintManager
-    @Captor
-    private lateinit var fingerprintCallbackCaptor:
-        ArgumentCaptor<IFingerprintAuthenticatorsRegisteredCallback>
-
-    @Before
-    fun setup() {
-        underTest =
-            FingerprintPropertyRepositoryImpl(
-                testScope.backgroundScope,
-                Dispatchers.Main.immediate,
-                fingerprintManager,
-            )
-    }
-
-    @Test
-    fun propertiesInitialized_onStartFalse() =
-        testScope.runTest {
-            val propertiesInitialized by collectLastValue(underTest.propertiesInitialized)
-            assertThat(propertiesInitialized).isFalse()
-        }
-
-    @Test
-    fun propertiesInitialized_onStartTrue() =
-        testScope.runTest {
-            //            // collect sensorType to update fingerprintCallback before
-            // propertiesInitialized
-            //            // is listened for
-            val sensorType by collectLastValue(underTest.sensorType)
-            runCurrent()
-            captureFingerprintCallback()
-
-            fingerprintCallbackCaptor.value.onAllAuthenticatorsRegistered(emptyList())
-            val propertiesInitialized by collectLastValue(underTest.propertiesInitialized)
-            assertThat(propertiesInitialized).isTrue()
-        }
-
-    @Test
-    fun propertiesInitialized_updatedToTrue() =
-        testScope.runTest {
-            val propertiesInitialized by collectLastValue(underTest.propertiesInitialized)
-            assertThat(propertiesInitialized).isFalse()
-
-            captureFingerprintCallback()
-            fingerprintCallbackCaptor.value.onAllAuthenticatorsRegistered(emptyList())
-            assertThat(propertiesInitialized).isTrue()
-        }
-
-    private fun captureFingerprintCallback() {
-        verify(fingerprintManager)
-            .addAuthenticatorsRegisteredCallback(fingerprintCallbackCaptor.capture())
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/FingerprintPropertyRepository.kt b/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/FingerprintPropertyRepository.kt
index 6b61adc..ba51d02 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/FingerprintPropertyRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/data/repository/FingerprintPropertyRepository.kt
@@ -30,10 +30,10 @@
 import com.android.systemui.biometrics.shared.model.toSensorStrength
 import com.android.systemui.biometrics.shared.model.toSensorType
 import com.android.systemui.common.coroutine.ChannelExt.trySendWithFailureLogging
+import com.android.systemui.common.coroutine.ConflatedCallbackFlow.conflatedCallbackFlow
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.dagger.qualifiers.Background
-import com.android.systemui.utils.coroutines.flow.conflatedCallbackFlow
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
@@ -41,6 +41,8 @@
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onStart
 import kotlinx.coroutines.flow.stateIn
@@ -111,9 +113,6 @@
                 initialValue = UNINITIALIZED_PROPS,
             )
 
-    override val propertiesInitialized: Flow<Boolean> =
-        props.map { it != UNINITIALIZED_PROPS }.onStart { emit(props.value != UNINITIALIZED_PROPS) }
-
     override val sensorId: Flow<Int> = props.map { it.sensorId }
 
     override val strength: Flow<SensorStrength> = props.map { it.sensorStrength.toSensorStrength() }
@@ -134,9 +133,25 @@
             }
         }
 
+    override val propertiesInitialized: Flow<Boolean> =
+        combine(
+                props
+                    .map { it != UNINITIALIZED_PROPS }
+                    .onStart { emit(props.value != UNINITIALIZED_PROPS) },
+                sensorId.map {}.onStart { if (props.value != UNINITIALIZED_PROPS) emit(Unit) },
+                sensorLocations
+                    .map {}
+                    .onStart { if (props.value != UNINITIALIZED_PROPS) emit(Unit) },
+                sensorType.map {}.onStart { if (props.value != UNINITIALIZED_PROPS) emit(Unit) },
+                strength.map {}.onStart { if (props.value != UNINITIALIZED_PROPS) emit(Unit) },
+            ) { initialized, _, _, _, _ ->
+                initialized
+            }
+            .distinctUntilChanged()
+
     companion object {
         private const val TAG = "FingerprintPropertyRepositoryImpl"
-        val UNINITIALIZED_PROPS =
+        private val UNINITIALIZED_PROPS =
             FingerprintSensorPropertiesInternal(
                 -2 /* sensorId */,
                 SensorProperties.STRENGTH_CONVENIENCE,
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/FingerprintPropertyInteractor.kt b/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/FingerprintPropertyInteractor.kt
index d5b450d..a74b0b0 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/FingerprintPropertyInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/domain/interactor/FingerprintPropertyInteractor.kt
@@ -52,7 +52,7 @@
             .map { it.isUdfps() }
             .stateIn(
                 scope = applicationScope,
-                started = SharingStarted.WhileSubscribed(),
+                started = SharingStarted.Eagerly,
                 initialValue = repository.sensorType.value.isUdfps(),
             )
 
diff --git a/packages/SystemUI/src/com/android/systemui/deviceentry/domain/interactor/DeviceEntryUdfpsInteractor.kt b/packages/SystemUI/src/com/android/systemui/deviceentry/domain/interactor/DeviceEntryUdfpsInteractor.kt
index 80b52ed..6c6d730 100644
--- a/packages/SystemUI/src/com/android/systemui/deviceentry/domain/interactor/DeviceEntryUdfpsInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/deviceentry/domain/interactor/DeviceEntryUdfpsInteractor.kt
@@ -17,6 +17,7 @@
 package com.android.systemui.deviceentry.domain.interactor
 
 import com.android.systemui.biometrics.domain.interactor.FingerprintPropertyInteractor
+import com.android.systemui.biometrics.shared.model.SensorLocation
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.keyguard.data.repository.BiometricSettingsRepository
 import com.android.systemui.keyguard.data.repository.DeviceEntryFingerprintAuthRepository
@@ -58,4 +59,17 @@
                 flowOf(false)
             }
         }
+
+    /**
+     * Location of the under-display fingerprint sensor on the display. Null if the device does not
+     * support UDFPS.
+     */
+    val udfpsLocation: Flow<SensorLocation?> =
+        isUdfpsSupported.flatMapLatest {
+            if (it) {
+                fingerprintPropertyInteractor.sensorLocation
+            } else {
+                flowOf(null)
+            }
+        }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/KeyguardBlueprintInteractor.kt b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/KeyguardBlueprintInteractor.kt
index b1ef76e..7cee258 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/KeyguardBlueprintInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/domain/interactor/KeyguardBlueprintInteractor.kt
@@ -20,7 +20,6 @@
 package com.android.systemui.keyguard.domain.interactor
 
 import android.content.Context
-import android.util.Log
 import com.android.systemui.biometrics.domain.interactor.FingerprintPropertyInteractor
 import com.android.systemui.common.ui.domain.interactor.ConfigurationInteractor
 import com.android.systemui.dagger.SysUISingleton
@@ -43,7 +42,6 @@
 import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.merge
-import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
 
 @SysUISingleton
@@ -80,15 +78,7 @@
     private val refreshEvents: Flow<Unit> =
         merge(
             configurationInteractor.onAnyConfigurationChange,
-            fingerprintPropertyInteractor.propertiesInitialized
-                .filter { it }
-                .map { Unit }
-                .onEach {
-                    Log.d(
-                        "KeyguardBlueprintInteractor",
-                        "triggering refreshEvent from fpPropertiesInitialized"
-                    )
-                },
+            fingerprintPropertyInteractor.propertiesInitialized.filter { it }.map {},
         )
 
     init {
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ui/view/layout/sections/DefaultDeviceEntrySection.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ui/view/layout/sections/DefaultDeviceEntrySection.kt
index 29041d1..0b8376a 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/ui/view/layout/sections/DefaultDeviceEntrySection.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ui/view/layout/sections/DefaultDeviceEntrySection.kt
@@ -21,6 +21,7 @@
 import android.graphics.Point
 import android.graphics.Rect
 import android.util.DisplayMetrics
+import android.util.Log
 import android.view.View
 import android.view.WindowManager
 import androidx.annotation.VisibleForTesting
@@ -116,6 +117,10 @@
     override fun applyConstraints(constraintSet: ConstraintSet) {
         val isUdfpsSupported =
             if (DeviceEntryUdfpsRefactor.isEnabled) {
+                Log.d(
+                    "DefaultDeviceEntrySection",
+                    "isUdfpsSupported=${deviceEntryIconViewModel.get().isUdfpsSupported.value}"
+                )
                 deviceEntryIconViewModel.get().isUdfpsSupported.value
             } else {
                 authController.isUdfpsSupported
@@ -138,8 +143,24 @@
         val iconRadiusPx = (defaultDensity * 36).toInt()
 
         if (isUdfpsSupported) {
-            authController.udfpsLocation?.let { udfpsLocation ->
-                centerIcon(udfpsLocation, authController.udfpsRadius, constraintSet)
+            if (DeviceEntryUdfpsRefactor.isEnabled) {
+                deviceEntryIconViewModel.get().udfpsLocation.value?.let { udfpsLocation ->
+                    Log.d(
+                        "DeviceEntrySection",
+                        "udfpsLocation=$udfpsLocation" +
+                            " unusedAuthController=${authController.udfpsLocation}"
+                    )
+                    centerIcon(
+                        Point(udfpsLocation.centerX.toInt(), udfpsLocation.centerY.toInt()),
+                        udfpsLocation.radius,
+                        constraintSet
+                    )
+                }
+            } else {
+                authController.udfpsLocation?.let { udfpsLocation ->
+                    Log.d("DeviceEntrySection", "udfpsLocation=$udfpsLocation")
+                    centerIcon(udfpsLocation, authController.udfpsRadius, constraintSet)
+                }
             }
         } else {
             centerIcon(
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/DeviceEntryIconViewModel.kt b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/DeviceEntryIconViewModel.kt
index ae83c9e..8d90933 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/DeviceEntryIconViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/ui/viewmodel/DeviceEntryIconViewModel.kt
@@ -20,6 +20,7 @@
 import android.animation.IntEvaluator
 import com.android.keyguard.KeyguardViewController
 import com.android.systemui.accessibility.domain.interactor.AccessibilityInteractor
+import com.android.systemui.biometrics.shared.model.SensorLocation
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
 import com.android.systemui.deviceentry.domain.interactor.DeviceEntryInteractor
@@ -73,6 +74,12 @@
     @Application private val scope: CoroutineScope,
 ) {
     val isUdfpsSupported: StateFlow<Boolean> = deviceEntryUdfpsInteractor.isUdfpsSupported
+    val udfpsLocation: StateFlow<SensorLocation?> =
+        deviceEntryUdfpsInteractor.udfpsLocation.stateIn(
+            scope = scope,
+            started = SharingStarted.Eagerly,
+            initialValue = null,
+        )
     private val intEvaluator = IntEvaluator()
     private val floatEvaluator = FloatEvaluator()
     private val showingAlternateBouncer: Flow<Boolean> =