Update AndroidManifest.xml

android/src/main/AndroidManifest.xml

@@ -9,7 +9,7 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.BLUETOOTH" />
 
-    <application android:allowBackup="true" android:label="@string/app_name"
+    <application android:label="@string/app_name"
         android:supportsRtl="true">
 
     </application>