diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 728c69538..934f20ae5 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -29,10 +29,11 @@
         android:icon="@mipmap/ic_launcher"
         android:label="Bettbox"
         android:banner="@drawable/tv_banner"
-        android:enableOnBackInvokedCallback="true">
+        android:enableOnBackInvokedCallback="false">
         <activity
             android:name="com.appshub.bettbox.MainActivity"
-            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:alwaysRetainTaskState="true"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode|colorMode"
             android:exported="true"
             android:hardwareAccelerated="true"
             android:launchMode="singleTop"
diff --git a/android/app/src/main/kotlin/com/appshub/bettbox/MainActivity.kt b/android/app/src/main/kotlin/com/appshub/bettbox/MainActivity.kt
index 1b48f2386..128a1b21f 100644
--- a/android/app/src/main/kotlin/com/appshub/bettbox/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/appshub/bettbox/MainActivity.kt
@@ -75,6 +75,21 @@ class MainActivity : FlutterActivity() {
 
     override fun shouldDestroyEngineWithHost(): Boolean = false
 
+    /**
+     * HyperOS can unregister Flutter's predictive-back callback after an
+     * Activity restore or a display-mode change. Always forward legacy back
+     * events to Flutter so the current route gets the first chance to pop.
+     */
+    @Deprecated("Deprecated in Java")
+    override fun onBackPressed() {
+        val engine = flutterEngine
+        if (engine != null) {
+            engine.navigationChannel.popRoute()
+        } else {
+            super.onBackPressed()
+        }
+    }
+
     override fun dispatchTouchEvent(ev: MotionEvent?): Boolean {
         return try {
             super.dispatchTouchEvent(ev)
@@ -91,4 +106,4 @@ class MainActivity : FlutterActivity() {
     override fun onDestroy() {
         super.onDestroy()
     }
-}
\ No newline at end of file
+}
diff --git a/lib/controller.dart b/lib/controller.dart
index 91a3d1c2e..87477b70f 100644
--- a/lib/controller.dart
+++ b/lib/controller.dart
@@ -152,10 +152,10 @@ class AppController {
     }
 
     if (wasRunning) {
-      await globalState.handleStart(
-        [updateRunTime, updateTraffic],
-        !keepVpnService,
-      );
+      await globalState.handleStart([
+        updateRunTime,
+        updateTraffic,
+      ], !keepVpnService);
       _scheduleCheckIpRefresh();
       _backgroundLoad();
     }
@@ -1167,9 +1167,13 @@ class AppController {
     await _handlePreference();
     await _handlerDisclaimer();
     if (system.isWindows) {
-      unawaited(setProcessPriority(_ref.read(appSettingProvider).enableHighPriority).catchError((e) {
-        commonPrint.log('Failed to set initial process priority: $e');
-      }));
+      unawaited(
+        setProcessPriority(
+          _ref.read(appSettingProvider).enableHighPriority,
+        ).catchError((e) {
+          commonPrint.log('Failed to set initial process priority: $e');
+        }),
+      );
     }
     _ref.read(initProvider.notifier).value = true;
   }
@@ -1197,7 +1201,8 @@ class AppController {
       }
     }
     final hasProfile = _ref.read(currentProfileProvider) != null;
-    final shouldStart = hasProfile &&
+    final shouldStart =
+        hasProfile &&
         (globalState.isStart || _ref.read(appSettingProvider).autoRun);
 
     if (shouldStart) {
@@ -1351,7 +1356,9 @@ class AppController {
         ageSecretKey: ageSecretKey,
       ).update();
       if (globalState.navigatorKey.currentState?.canPop() ?? false) {
-        globalState.navigatorKey.currentState?.popUntil((route) => route.isFirst);
+        globalState.navigatorKey.currentState?.popUntil(
+          (route) => route.isFirst,
+        );
       }
       toProfiles();
       await addProfile(profile);
@@ -1376,7 +1383,9 @@ class AppController {
     _ref.read(loadingProvider.notifier).value = true;
     try {
       await Future.delayed(const Duration(milliseconds: 500));
-      final profile = await Profile.normal(label: platformFile?.name).saveFile(bytes);
+      final profile = await Profile.normal(
+        label: platformFile?.name,
+      ).saveFile(bytes);
       globalState.navigatorKey.currentState?.popUntil((route) => route.isFirst);
       toProfiles();
       await addProfile(profile);
@@ -1704,9 +1713,18 @@ class AppController {
     });
   }
 
-  Future<void> updateTray([bool focus = false, bool silent = false, bool force = false]) async {
+  Future<void> updateTray([
+    bool focus = false,
+    bool silent = false,
+    bool force = false,
+  ]) async {
     final trayState = _ref.read(trayStateProvider);
-    await tray.update(trayState: trayState, focus: focus, silent: silent, force: force);
+    await tray.update(
+      trayState: trayState,
+      focus: focus,
+      silent: silent,
+      force: force,
+    );
   }
 
   Future<void> _processRecoveryArchive(
@@ -2244,7 +2262,9 @@ class AppController {
     // Use default widgets if merged is empty
     return mergedWidgets.isNotEmpty
         ? mergedWidgets
-        : (system.isAndroid ? defaultAndroidDashboardWidgets : defaultDashboardWidgets);
+        : (system.isAndroid
+              ? defaultAndroidDashboardWidgets
+              : defaultDashboardWidgets);
   }
 
   Future<T?> safeRun<T>(
diff --git a/lib/pages/home.dart b/lib/pages/home.dart
index 35eb89dd4..df2f35c86 100644
--- a/lib/pages/home.dart
+++ b/lib/pages/home.dart
@@ -378,12 +378,15 @@ class HomeBackScope extends ConsumerWidget {
             globalState.appController.toPage(PageLabel.dashboard);
             return;
           }
-          final canPop = Navigator.canPop(context);
-          if (canPop) {
-            Navigator.pop(context);
-          } else {
-            await globalState.appController.handleBackOrExit();
+          // Use the global navigator key rather than the local build
+          // context — the latter may become stale after display-mode
+          // changes on Xiaomi HyperOS (e.g. enabling "Show refresh rate").
+          final navigatorState = globalState.navigatorKey.currentState;
+          if (navigatorState != null && navigatorState.canPop()) {
+            navigatorState.pop();
+            return;
           }
+          await globalState.appController.handleBackOrExit();
         },
         child: child,
       );
diff --git a/lib/state.dart b/lib/state.dart
index b6b06b1ec..eedcc0c3f 100644
--- a/lib/state.dart
+++ b/lib/state.dart
@@ -59,7 +59,6 @@ class GlobalState {
   bool _needsTaskRestart = false;
   Timer? _backgroundCleanupTimer;
   final Lock _scriptEvaluateLock = Lock();
-
   bool isInit = false;
 
   bool get isStart => startTime != null && startTime!.isBeforeNow;