Installing WhatsApp Messenger on my mobile phone
Setting up my mobile phone for internet
Activating a BlackBerry ID on my mobile phone
Installing and using apps from BlackBerry World
Checking PIN and IMEI number on my mobile phone
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.
View list active applications
Tap and hold the Menu key until the list of active applications is displayed.
End active applications
Tap the required application.
Tap the Menu key.
Return to the home screen
Tap the Return key to return to the home screen.
Tap anywhere to dismiss
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