Turn GPS on or off
Change screen brightness
Turn screen lock on or off
Call a contact in your address book
If you have problems sending and receiving email, you can delete the email account from your mobile phone and then set it up again.
Delete email account
Tap the menu icon.
Tap the required account.
Tap Delete account.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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