Blackberry 9500 User Guide - Page 7

Maps troubleshooting...180 BlackBerry Messenger...181 Contacts...181 Groups...182 Conversations...183 Availability...186 Applications...189 Switch applications...189 Add, update, or downgrade an application using the application center...189 Add an application...189 View properties for an application...189 Delete a third-party application...189 Receive a device password prompt before you add an application...190 View the size of an application database...190 Check for application updates...190 About upgrading the BlackBerry Device Software...190 Prerequisites: Upgrading the BlackBerry Device Software over the wireless network...190 Upgrade the BlackBerry Device Software...191 Return to the previous version of the BlackBerry Device Software...191 Delete the previous version of the BlackBerry Device Software...191 Application troubleshooting...191 Wireless network coverage...193 Find information about wireless coverage indicators...193 Turn off a wireless connection...193 Network connection indicators...193 Turn on wireless coverage notification...194 Change the connection speed for the wireless network...194 About the preferred wireless network list...194 Add a wireless network to the preferred wireless network list...194 Change the order of preferred wireless networks...195 Delete a wireless network from the preferred wireless network list...195 Turn off data service...195 About roaming...196 Switch wireless networks manually...196 Verify the status of network connections and services...196 Wireless network coverage troubleshooting...196 Power, battery, and memory...199 Turn off your device...199