Используйте приложение APKPure
Историческую версию vibrate mode by force можно получить на Android
предотвращение операции прикладная программа кнопки громкости.
Extended Version released.
'Ringer mode locker'.its has always ringer and always silent mode and widget.
This application is an operation prevention application program of the volume button.
Never silent is checked:set vibrate or ringer.
Never ring is checked:set vibrate or silent.
both checked:only vibrate mode