Turn GPS on or off
Change screen brightness
Turn screen lock on or off
Activate Google account on mobile phone
You can select the message tone you want to hear when you get a message.
Tap the menu icon.
Select message tone
Tap Notification sound.
Tap the different message tones to hear them.
Once you've found a message tone you like, tap DONE.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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