Blackberry Pearl 8120 User Manual
Page 9
About the preferred wireless network list.................................................................................................................................................................................................216
Add a wireless network to the preferred wireless network list..............................................................................................................................................................216
Change the order of preferred wireless networks....................................................................................................................................................................................217
Delete a wireless network from the preferred wireless network list.....................................................................................................................................................217
Turn off data service.....................................................................................................................................................................................................................................218
About roaming...............................................................................................................................................................................................................................................218
Switch wireless networks manually............................................................................................................................................................................................................218
Verify the status of network connections and services...........................................................................................................................................................................218
Wi-Fi connection settings............................................................................................................................................................................................................................219
Advanced Wi-Fi connection settings......................................................................................................................................................................................................... 222
UMA connection settings............................................................................................................................................................................................................................224
Wireless network coverage troubleshooting............................................................................................................................................................................................224
Power, battery and memory.............................................................................................................................................................................................................227
Turn off your device......................................................................................................................................................................................................................................227
Set your device to turn on and turn off automatically............................................................................................................................................................................227
Check the battery power level....................................................................................................................................................................................................................227
Check the battery power level using a voice command...........................................................................................................................................................................39
Reset the device............................................................................................................................................................................................................................................227
Extend battery life.........................................................................................................................................................................................................................................227
View the amount of available memory on your device...........................................................................................................................................................................228
Best practice: Optimising your device performance...............................................................................................................................................................................228
About the SIM card phone book.................................................................................................................................................................................................................155
Add a contact to your SIM card .................................................................................................................................................................................................................156
Copy contacts from your SIM card to your address book.......................................................................................................................................................................156
Copy a contact from your address book to your SIM card......................................................................................................................................................................156
Change a SIM card contact.........................................................................................................................................................................................................................156
Delete a SIM card contact............................................................................................................................................................................................................................157
Store SMS text messages on your SIM card................................................................................................................................................................................................77
About SIM card security..............................................................................................................................................................................................................................230
Protect your SIM card with a PIN...............................................................................................................................................................................................................231
Change the SIM card PIN............................................................................................................................................................................................................................231
Change the display name for a phone number.........................................................................................................................................................................................231
Security basics...............................................................................................................................................................................................................................................233
Password keeper...........................................................................................................................................................................................................................................234
Encryption......................................................................................................................................................................................................................................................236
Memory cleaning..........................................................................................................................................................................................................................................238
Certificates....................................................................................................................................................................................................................................................239