Checking data usage on my mobile phone
Setting an alarm on my mobile phone
Activating or deactivating data connections on my mobile phone
Using Facebook on my mobile phone
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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