Turn GPS on or off
Turn screen lock on or off
Change screen brightness
Restart mobile phone
Set up your mobile phone for internet
When vibration is turned on, your mobile phone vibrates when you get a call.
Turn vibration on or off
Tap and hold the Volume key until a pop-up menu is displayed.
Tap the sound mode icon the necessary number of times to turn vibration on or off.
Tap anywhere to dismiss
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