Blackberry Pearl 8100 User Manual
Page 9
Turn off the connection to the wireless network......................................................................................................................................................................................217
Turn on wireless coverage notifications....................................................................................................................................................................................................198
Check the wireless coverage level using a voice command.....................................................................................................................................................................39
About the preferred wireless network list..................................................................................................................................................................................................217
Add a wireless network to the preferred wireless network list..............................................................................................................................................................218
Change the order of preferred wireless networks....................................................................................................................................................................................218
Delete a wireless network from the preferred wireless network list.....................................................................................................................................................218
Turn off data service.....................................................................................................................................................................................................................................219
About roaming...............................................................................................................................................................................................................................................219
Switch wireless networks manually............................................................................................................................................................................................................219
Wireless network coverage troubleshooting............................................................................................................................................................................................220
Power, battery and memory.............................................................................................................................................................................................................221
Turn off your device.......................................................................................................................................................................................................................................221
Set your device to turn on and turn off automatically.............................................................................................................................................................................221
Check the battery power level.....................................................................................................................................................................................................................221
Check the battery power level using a voice command...........................................................................................................................................................................39
Reset the device.............................................................................................................................................................................................................................................221
Extend battery life.........................................................................................................................................................................................................................................221
View the amount of available memory on your device........................................................................................................................................................................... 222
Best practice: Optimising your device performance...............................................................................................................................................................................222
About the SIM card phone book..................................................................................................................................................................................................................157
Add a contact to your SIM card .................................................................................................................................................................................................................158
Copy contacts from your SIM card to your address book.......................................................................................................................................................................158
Copy a contact from your address book to your SIM card......................................................................................................................................................................158
Change a SIM card contact.........................................................................................................................................................................................................................158
Delete a SIM card contact...........................................................................................................................................................................................................................159
Store SMS text messages on your SIM card................................................................................................................................................................................................81
About SIM card security..............................................................................................................................................................................................................................224
Protect your SIM card with a PIN...............................................................................................................................................................................................................225
Change the SIM card PIN............................................................................................................................................................................................................................225
Change the display name for a phone number........................................................................................................................................................................................225
Security basics...............................................................................................................................................................................................................................................227
Password keeper...........................................................................................................................................................................................................................................228
Encryption......................................................................................................................................................................................................................................................230
Memory cleaning.......................................................................................................................................................................................................................................... 232
Certificates....................................................................................................................................................................................................................................................233
Certificate servers........................................................................................................................................................................................................................................239