Turn GPS on or off
Turn screen lock on or off
Change screen brightness
Using FM radio on my mobile phone
You can make a voice call by finding the number in your mobile phone's address book. Before you can call a contact in your address book, you need to create a contact in the address book.
Open the address book
Call a contact
Tap the required contact.
Tap the required number.
Tap the end call icon.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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