Maps troubleshooting................................................................................................................................................................................................................................

BlackBerry Messenger...............................................................................................................................................................................................................................

Contacts......................................................................................................................................................................................................................................................

Groups.........................................................................................................................................................................................................................................................

Conversations.............................................................................................................................................................................................................................................

Availability...................................................................................................................................................................................................................................................

Applications................................................................................................................................................................................................................................................

Switch applications....................................................................................................................................................................................................................................

Add, update, or return to the previous version of an application using the application center.......................................................................................................

Add an application.....................................................................................................................................................................................................................................

View properties for an application...........................................................................................................................................................................................................

Delete a third-party application...............................................................................................................................................................................................................

Receive a device password prompt before you add an application.....................................................................................................................................................

View the size of an application database................................................................................................................................................................................................

Check for application updates..................................................................................................................................................................................................................

About updating the BlackBerry Device Software...................................................................................................................................................................................

Prerequisites: Updating the BlackBerry Device Software over the wireless network.......................................................................................................................

Update the BlackBerry Device Software.................................................................................................................................................................................................

Return to the previous version of the BlackBerry Device Software.....................................................................................................................................................

Delete the previous version of the BlackBerry Device Software..........................................................................................................................................................

Application troubleshooting.....................................................................................................................................................................................................................

Wireless network coverage.......................................................................................................................................................................................................................

Find information about wireless coverage indicators............................................................................................................................................................................

Turn off a wireless connection..................................................................................................................................................................................................................

Network connection indicators................................................................................................................................................................................................................

Turn on LED notification for wireless coverage......................................................................................................................................................................................

Change the connection speed for the wireless network.......................................................................................................................................................................

About the preferred wireless network list...............................................................................................................................................................................................

Add a wireless network to the preferred wireless network list.............................................................................................................................................................

Change the order of preferred wireless networks..................................................................................................................................................................................

Delete a wireless network from the preferred wireless network list....................................................................................................................................................

Turn off data service or set data service options when roaming..........................................................................................................................................................

About roaming and international roaming.............................................................................................................................................................................................

Switch wireless networks manually.........................................................................................................................................................................................................

Verify the status of network connections and services.........................................................................................................................................................................

Wireless network coverage troubleshooting...........................................................................................................................................................................................

Power, battery, and memory.....................................................................................................................................................................................................................

Turn off your device...................................................................................................................................................................................................................................

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