Move apps to memory card
Transfer files between computer and mobile phone
Activate Google account on 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
Tap the drop down list next to "Sleep".
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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