Downloading and using applications from Google Play
Sending pictures and video clips from my mobile phone
Transferring audio files from my computer to my mobile phone
Pairing Bluetooth devices
Transferring files via Bluetooth
Some applications aren't ended completely when your mobile phone returns to standby mode. They keep running in the background unless you end them from the list of active applications.
Find "Task Manager"
Tap the menu icon.
Tap Task Manager.
End active applications
To end one application:
Tap the end task icon next to the required application.
To end all applications:
Tap Stop all.
Tap the Home key to return to standby mode.
Tap anywhere to dismiss
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