Turn GPS on or off
Change screen brightness
Turn screen lock on or off
Using FM radio on my mobile phone
You can lock the phone screen and keys to avoid activating your mobile phone by mistake.
Turn on screen lock
Briefly tap On/Off.
Turn off screen lock
Briefly tap On/Off and slide you finger across the screen.
Set automatic screen lock
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap the required setting.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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