Restarting my mobile phone
Ending active applications on my mobile phone
Choosing a ringtone for my mobile phone
Turning Wi-Fi on my mobile phone on or off
Assigning a contact to a speed dialing key
Some applications aren't ended completely when your mobile phone returns to the home screen. They keep running in the background unless you end them from the list of active applications.
End active applications
Tap the application icon.
Tap and hold the required application until a pop-up menu is displayed.
Tap App info.
Tap Force stop.
Tap OK to confirm.
Return to the home screen
Tap the home icon to return to the home screen.
Tap anywhere to dismiss
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