Turn vibration on or off
Turn silent mode on or off
Assigning a contact to a speed dialing key
List of screen icons
If your mobile phone is slow or freezes, it might help to restart it.
Restart your mobile phone
Tap and hold On/Off.
At the same time, tap and hold the upper part of the volume key until your mobile phone is turned off.
Turn on your mobile phone again.
Tap anywhere to dismiss
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