diff --git a/core/res/res/values/config_telephony.xml b/core/res/res/values/config_telephony.xml
index fd74185..8420934 100644
--- a/core/res/res/values/config_telephony.xml
+++ b/core/res/res/values/config_telephony.xml
@@ -167,9 +167,4 @@
          true, routing from the android emergency number database will be ignored. -->
     <bool name="ignore_emergency_number_routing_from_db">false</bool>
     <java-symbol type="bool" name="ignore_emergency_number_routing_from_db" />
-
-    <!-- Whether "Virtual DSDA", i.e. in-call IMS connectivity can be provided on both subs with
-         only single logical modem, by using its data connection in addition to cellular IMS. -->
-    <bool name="config_enable_virtual_dsda">false</bool>
-    <java-symbol type="bool" name="config_enable_virtual_dsda" />
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index e08f085..890f3ce 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -5009,7 +5009,8 @@
 
   <java-symbol type="bool" name="config_batteryStatsResetOnUnplugHighBatteryLevel" />
   <java-symbol type="bool" name="config_batteryStatsResetOnUnplugAfterSignificantCharge" />
-  
+
+
   <java-symbol name="materialColorOnSecondaryFixedVariant" type="attr"/>
   <java-symbol name="materialColorOnTertiaryFixedVariant" type="attr"/>
   <java-symbol name="materialColorSurfaceContainerLowest" type="attr"/>
diff --git a/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java b/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
index 5bcf32a..28eb266 100644
--- a/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
+++ b/packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java
@@ -52,6 +52,7 @@
 import com.android.systemui.dump.DumpManager;
 import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.flags.FlagsModule;
+import com.android.systemui.globalactions.ShutdownUiModule;
 import com.android.systemui.keyboard.KeyboardModule;
 import com.android.systemui.keyguard.data.BouncerViewModule;
 import com.android.systemui.log.dagger.LogModule;
@@ -192,6 +193,7 @@
             ScreenRecordModule.class,
             SettingsUtilModule.class,
             ShadeModule.class,
+            ShutdownUiModule.class,
             SmartRepliesInflationModule.class,
             SmartspaceModule.class,
             StatusBarPipelineModule.class,
diff --git a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
index 26fd086..4b6fd34 100644
--- a/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
+++ b/packages/SystemUI/src/com/android/systemui/flags/Flags.kt
@@ -206,7 +206,7 @@
     // TODO(b/267722622): Tracking Bug
     @JvmField
     val WALLPAPER_PICKER_UI_FOR_AIWP =
-            unreleasedFlag(
+            releasedFlag(
                     229,
                     "wallpaper_picker_ui_for_aiwp"
             )
diff --git a/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsImpl.java b/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsImpl.java
index 290bf0d..c5027cc 100644
--- a/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsImpl.java
@@ -15,27 +15,12 @@
 package com.android.systemui.globalactions;
 
 import static android.app.StatusBarManager.DISABLE2_GLOBAL_ACTIONS;
-import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
 
-import android.annotation.Nullable;
-import android.annotation.StringRes;
-import android.app.Dialog;
 import android.content.Context;
-import android.os.PowerManager;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.Window;
-import android.view.WindowManager;
-import android.widget.ProgressBar;
-import android.widget.TextView;
 
-import com.android.internal.R;
-import com.android.settingslib.Utils;
 import com.android.systemui.plugins.GlobalActions;
-import com.android.systemui.scrim.ScrimDrawable;
 import com.android.systemui.statusbar.BlurUtils;
 import com.android.systemui.statusbar.CommandQueue;
-import com.android.systemui.statusbar.phone.ScrimController;
 import com.android.systemui.statusbar.policy.DeviceProvisionedController;
 import com.android.systemui.statusbar.policy.KeyguardStateController;
 
@@ -50,12 +35,14 @@
     private final CommandQueue mCommandQueue;
     private final GlobalActionsDialogLite mGlobalActionsDialog;
     private boolean mDisabled;
+    private ShutdownUi mShutdownUi;
 
     @Inject
     public GlobalActionsImpl(Context context, CommandQueue commandQueue,
             GlobalActionsDialogLite globalActionsDialog, BlurUtils blurUtils,
             KeyguardStateController keyguardStateController,
-            DeviceProvisionedController deviceProvisionedController) {
+            DeviceProvisionedController deviceProvisionedController,
+            ShutdownUi shutdownUi) {
         mContext = context;
         mGlobalActionsDialog = globalActionsDialog;
         mKeyguardStateController = keyguardStateController;
@@ -63,6 +50,7 @@
         mCommandQueue = commandQueue;
         mBlurUtils = blurUtils;
         mCommandQueue.addCallback(this);
+        mShutdownUi = shutdownUi;
     }
 
     @Override
@@ -80,103 +68,8 @@
 
     @Override
     public void showShutdownUi(boolean isReboot, String reason) {
-        ScrimDrawable background = new ScrimDrawable();
-
-        final Dialog d = new Dialog(mContext,
-                com.android.systemui.R.style.Theme_SystemUI_Dialog_GlobalActions);
-
-        d.setOnShowListener(dialog -> {
-            if (mBlurUtils.supportsBlursOnWindows()) {
-                int backgroundAlpha = (int) (ScrimController.BUSY_SCRIM_ALPHA * 255);
-                background.setAlpha(backgroundAlpha);
-                mBlurUtils.applyBlur(d.getWindow().getDecorView().getViewRootImpl(),
-                        (int) mBlurUtils.blurRadiusOfRatio(1), backgroundAlpha == 255);
-            } else {
-                float backgroundAlpha = mContext.getResources().getFloat(
-                        com.android.systemui.R.dimen.shutdown_scrim_behind_alpha);
-                background.setAlpha((int) (backgroundAlpha * 255));
-            }
-        });
-
-        // Window initialization
-        Window window = d.getWindow();
-        window.requestFeature(Window.FEATURE_NO_TITLE);
-        window.getAttributes().systemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-                | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
-                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
-        // Inflate the decor view, so the attributes below are not overwritten by the theme.
-        window.getDecorView();
-        window.getAttributes().width = ViewGroup.LayoutParams.MATCH_PARENT;
-        window.getAttributes().height = ViewGroup.LayoutParams.MATCH_PARENT;
-        window.getAttributes().layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
-        window.setType(WindowManager.LayoutParams.TYPE_VOLUME_OVERLAY);
-        window.getAttributes().setFitInsetsTypes(0 /* types */);
-        window.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
-        window.addFlags(
-                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
-                        | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
-                        | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR
-                        | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
-                        | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
-                        | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
-        window.setBackgroundDrawable(background);
-        window.setWindowAnimations(com.android.systemui.R.style.Animation_ShutdownUi);
-
-        d.setContentView(R.layout.shutdown_dialog);
-        d.setCancelable(false);
-
-        int color;
-        if (mBlurUtils.supportsBlursOnWindows()) {
-            color = Utils.getColorAttrDefaultColor(mContext,
-                    com.android.systemui.R.attr.wallpaperTextColor);
-        } else {
-            color = mContext.getResources().getColor(
-                    com.android.systemui.R.color.global_actions_shutdown_ui_text);
-        }
-
-        ProgressBar bar = d.findViewById(R.id.progress);
-        bar.getIndeterminateDrawable().setTint(color);
-
-        TextView reasonView = d.findViewById(R.id.text1);
-        TextView messageView = d.findViewById(R.id.text2);
-
-        reasonView.setTextColor(color);
-        messageView.setTextColor(color);
-
-        messageView.setText(getRebootMessage(isReboot, reason));
-        String rebootReasonMessage = getReasonMessage(reason);
-        if (rebootReasonMessage != null) {
-            reasonView.setVisibility(View.VISIBLE);
-            reasonView.setText(rebootReasonMessage);
-        }
-
-        d.show();
+        mShutdownUi.showShutdownUi(isReboot, reason);
     }
-
-    @StringRes
-    private int getRebootMessage(boolean isReboot, @Nullable String reason) {
-        if (reason != null && reason.startsWith(PowerManager.REBOOT_RECOVERY_UPDATE)) {
-            return R.string.reboot_to_update_reboot;
-        } else if (reason != null && reason.equals(PowerManager.REBOOT_RECOVERY)) {
-            return R.string.reboot_to_reset_message;
-        } else if (isReboot) {
-            return R.string.reboot_to_reset_message;
-        } else {
-            return R.string.shutdown_progress;
-        }
-    }
-
-    @Nullable
-    private String getReasonMessage(@Nullable String reason) {
-        if (reason != null && reason.startsWith(PowerManager.REBOOT_RECOVERY_UPDATE)) {
-            return mContext.getString(R.string.reboot_to_update_title);
-        } else if (reason != null && reason.equals(PowerManager.REBOOT_RECOVERY)) {
-            return mContext.getString(R.string.reboot_to_reset_title);
-        } else {
-            return null;
-        }
-    }
-
     @Override
     public void disable(int displayId, int state1, int state2, boolean animate) {
         final boolean disabled = (state2 & DISABLE2_GLOBAL_ACTIONS) != 0;
diff --git a/packages/SystemUI/src/com/android/systemui/globalactions/ShutdownUi.java b/packages/SystemUI/src/com/android/systemui/globalactions/ShutdownUi.java
new file mode 100644
index 0000000..bc9e1cc
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/globalactions/ShutdownUi.java
@@ -0,0 +1,155 @@
+/*
+ * 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.globalactions;
+
+import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
+
+import android.annotation.Nullable;
+import android.annotation.StringRes;
+import android.app.Dialog;
+import android.content.Context;
+import android.os.PowerManager;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.Window;
+import android.view.WindowManager;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+
+import androidx.annotation.VisibleForTesting;
+
+import com.android.internal.R;
+import com.android.settingslib.Utils;
+import com.android.systemui.scrim.ScrimDrawable;
+import com.android.systemui.statusbar.BlurUtils;
+import com.android.systemui.statusbar.phone.ScrimController;
+
+/**
+ * Provides the UI shown during system shutdown.
+ */
+public class ShutdownUi {
+
+    private Context mContext;
+    private BlurUtils mBlurUtils;
+    public ShutdownUi(Context context, BlurUtils blurUtils) {
+        mContext = context;
+        mBlurUtils = blurUtils;
+    }
+
+    /**
+     * Display the shutdown UI.
+     * @param isReboot Whether the device will be rebooting after this shutdown.
+     * @param reason Cause for the shutdown.
+     */
+    public void showShutdownUi(boolean isReboot, String reason) {
+        ScrimDrawable background = new ScrimDrawable();
+
+        final Dialog d = new Dialog(mContext,
+                com.android.systemui.R.style.Theme_SystemUI_Dialog_GlobalActions);
+
+        d.setOnShowListener(dialog -> {
+            if (mBlurUtils.supportsBlursOnWindows()) {
+                int backgroundAlpha = (int) (ScrimController.BUSY_SCRIM_ALPHA * 255);
+                background.setAlpha(backgroundAlpha);
+                mBlurUtils.applyBlur(d.getWindow().getDecorView().getViewRootImpl(),
+                        (int) mBlurUtils.blurRadiusOfRatio(1), backgroundAlpha == 255);
+            } else {
+                float backgroundAlpha = mContext.getResources().getFloat(
+                        com.android.systemui.R.dimen.shutdown_scrim_behind_alpha);
+                background.setAlpha((int) (backgroundAlpha * 255));
+            }
+        });
+
+        // Window initialization
+        Window window = d.getWindow();
+        window.requestFeature(Window.FEATURE_NO_TITLE);
+        window.getAttributes().systemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
+        // Inflate the decor view, so the attributes below are not overwritten by the theme.
+        window.getDecorView();
+        window.getAttributes().width = ViewGroup.LayoutParams.MATCH_PARENT;
+        window.getAttributes().height = ViewGroup.LayoutParams.MATCH_PARENT;
+        window.getAttributes().layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
+        window.setType(WindowManager.LayoutParams.TYPE_VOLUME_OVERLAY);
+        window.getAttributes().setFitInsetsTypes(0 /* types */);
+        window.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
+        window.addFlags(
+                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
+                        | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
+                        | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR
+                        | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
+                        | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
+                        | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
+        window.setBackgroundDrawable(background);
+        window.setWindowAnimations(com.android.systemui.R.style.Animation_ShutdownUi);
+
+        d.setContentView(R.layout.shutdown_dialog);
+        d.setCancelable(false);
+
+        int color;
+        if (mBlurUtils.supportsBlursOnWindows()) {
+            color = Utils.getColorAttrDefaultColor(mContext,
+                    com.android.systemui.R.attr.wallpaperTextColor);
+        } else {
+            color = mContext.getResources().getColor(
+                    com.android.systemui.R.color.global_actions_shutdown_ui_text);
+        }
+
+        ProgressBar bar = d.findViewById(R.id.progress);
+        bar.getIndeterminateDrawable().setTint(color);
+
+        TextView reasonView = d.findViewById(R.id.text1);
+        TextView messageView = d.findViewById(R.id.text2);
+
+        reasonView.setTextColor(color);
+        messageView.setTextColor(color);
+
+        messageView.setText(getRebootMessage(isReboot, reason));
+        String rebootReasonMessage = getReasonMessage(reason);
+        if (rebootReasonMessage != null) {
+            reasonView.setVisibility(View.VISIBLE);
+            reasonView.setText(rebootReasonMessage);
+        }
+
+        d.show();
+    }
+
+    @StringRes
+    @VisibleForTesting int getRebootMessage(boolean isReboot, @Nullable String reason) {
+        if (reason != null && reason.startsWith(PowerManager.REBOOT_RECOVERY_UPDATE)) {
+            return R.string.reboot_to_update_reboot;
+        } else if (reason != null && reason.equals(PowerManager.REBOOT_RECOVERY)) {
+            return R.string.reboot_to_reset_message;
+        } else if (isReboot) {
+            return R.string.reboot_to_reset_message;
+        } else {
+            return R.string.shutdown_progress;
+        }
+    }
+
+    @Nullable
+    @VisibleForTesting String getReasonMessage(@Nullable String reason) {
+        if (reason != null && reason.startsWith(PowerManager.REBOOT_RECOVERY_UPDATE)) {
+            return mContext.getString(R.string.reboot_to_update_title);
+        } else if (reason != null && reason.equals(PowerManager.REBOOT_RECOVERY)) {
+            return mContext.getString(R.string.reboot_to_reset_title);
+        } else {
+            return null;
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/globalactions/ShutdownUiModule.kt b/packages/SystemUI/src/com/android/systemui/globalactions/ShutdownUiModule.kt
new file mode 100644
index 0000000..b7285da
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/globalactions/ShutdownUiModule.kt
@@ -0,0 +1,31 @@
+/*
+ * 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.globalactions
+
+import android.content.Context
+import com.android.systemui.statusbar.BlurUtils
+import dagger.Module
+import dagger.Provides
+
+/** Provides the UI shown during system shutdown. */
+@Module
+class ShutdownUiModule {
+    /** Shutdown UI provider. */
+    @Provides
+    fun provideShutdownUi(context: Context?, blurUtils: BlurUtils?): ShutdownUi {
+        return ShutdownUi(context, blurUtils)
+    }
+}
diff --git a/packages/SystemUI/tests/src/com/android/systemui/globalactions/ShutdownUiTest.java b/packages/SystemUI/tests/src/com/android/systemui/globalactions/ShutdownUiTest.java
new file mode 100644
index 0000000..e884719
--- /dev/null
+++ b/packages/SystemUI/tests/src/com/android/systemui/globalactions/ShutdownUiTest.java
@@ -0,0 +1,87 @@
+/*
+ * 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.globalactions;
+
+import static junit.framework.Assert.assertEquals;
+import static junit.framework.Assert.assertNull;
+
+import android.os.PowerManager;
+import android.testing.AndroidTestingRunner;
+
+import androidx.test.filters.SmallTest;
+
+import com.android.internal.R;
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.statusbar.BlurUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+
+/**
+ * Tests for {@link ListGridLayout}.
+ */
+@SmallTest
+@RunWith(AndroidTestingRunner.class)
+public class ShutdownUiTest extends SysuiTestCase {
+
+    ShutdownUi mShutdownUi;
+    @Mock
+    BlurUtils mBlurUtils;
+
+    @Before
+    public void setUp() throws Exception {
+        mShutdownUi = new ShutdownUi(getContext(), mBlurUtils);
+    }
+
+    @Test
+    public void getRebootMessage_update() {
+        int messageId = mShutdownUi.getRebootMessage(true, PowerManager.REBOOT_RECOVERY_UPDATE);
+        assertEquals(messageId, R.string.reboot_to_update_reboot);
+    }
+
+    @Test
+    public void getRebootMessage_rebootDefault() {
+        int messageId = mShutdownUi.getRebootMessage(true, "anything-else");
+        assertEquals(messageId, R.string.reboot_to_reset_message);
+    }
+
+    @Test
+    public void getRebootMessage_shutdown() {
+        int messageId = mShutdownUi.getRebootMessage(false, "anything-else");
+        assertEquals(messageId, R.string.shutdown_progress);
+    }
+
+    @Test
+    public void getReasonMessage_update() {
+        String message = mShutdownUi.getReasonMessage(PowerManager.REBOOT_RECOVERY_UPDATE);
+        assertEquals(message, mContext.getString(R.string.reboot_to_update_title));
+    }
+
+    @Test
+    public void getReasonMessage_rebootDefault() {
+        String message = mShutdownUi.getReasonMessage(PowerManager.REBOOT_RECOVERY);
+        assertEquals(message, mContext.getString(R.string.reboot_to_reset_title));
+    }
+
+    @Test
+    public void getRebootMessage_defaultToNone() {
+        String message = mShutdownUi.getReasonMessage("anything-else");
+        assertNull(message);
+    }
+}