Sony Xperia 1 VI
Turning silent mode on or off
When silent mode is turned on, all phone sounds are turned off.
Press the upper or lower part of the Volume key.
Press the sound mode icon.
Press the silent mode icon to turn on silent mode.
Press the upper or lower part of the Volume key.
Press the sound mode icon.
Press the required setting to turn off silent mode.
Press the Home key to return to the home screen.