„Smartphone with no noise“ oder „Bitte Schalten Sie Ihr Mobiltelefon aus“!
Even applications in the background are muted without flight mode - PIN is not required! This a simple App. The app works on Android 5-10.
A simple App for volumes. Ringer volume, Media volume, Alarm volume, Notification will be zero and no vibrate with one click. All levels are stored. If you switch back, all volume levels are restored. The app requires only 93 MB memory.
Download