Blackberry BB9630TOUR manual 234

BlackBerry Device Software	234
About updating the BlackBerry Device Software	234
Update the BlackBerry Device Software over the wireless network	234
Return to the previous version of the BlackBerry Device Software	235
Delete the previous version of the BlackBerry Device Software	235
Check for BlackBerry Device Software updates that you can install over the wireless network	235
About updating the BlackBerry Device Software from a web site	235
Update the BlackBerry Device Software from a web site	236
Troubleshooting: BlackBerry Device Software	236
Wireless network coverage	238
Turn on the connection to the wireless network	238
Turn off the connection to the wireless network	238
Turn on or turn off data service or set roaming options	238
Wireless networks that your device connects to	239
Turn on LED notification for wireless coverage	239
Check the status of network connections and services	239
Roaming	239
Preferred wireless network list	241
Troubleshooting: Wireless network coverage	243
Power, battery, and memory	244
Turn off your device	244
Set your device to turn on and turn off automatically	244
Reset the device	244
Check the battery power level	244
Extend battery life	244
Format the device memory or a media card	245
View the amount of available memory	245
Best practice: Conserving memory on your device	245
The application memory on my device is low	246
SIM card	247
About the SIM card phone book	247
Add a contact to your SIM card	247
Copy contacts from your SIM card to your contact list	247
Copy a contact from your contact list to your SIM card	247
Change a SIM card contact	248
Delete a SIM card contact	248
Store SMS text messages on your SIM card	248
About SIM card security	249