Blackberry 8820 manual 221

Set display options for contacts	167
Language troubleshooting	220
Wireless network coverage	221
Find information about wireless coverage indicators	221
Turn off a wireless connection	221
Network connection indicators	221
Turn on wireless coverage notification	202
Check the wireless coverage level using a voice command	39
About the preferred wireless network list	222
Add a wireless network to the preferred wireless network list	222
Change the order of preferred wireless networks	223
Delete a wireless network from the preferred wireless network list	223
Turn off data service	223
About roaming	224
Switch wireless networks manually	224
Verify the status of network connections and services	224
Wi-Fi connection settings	224
Advanced Wi-Fi connection settings	227
UMA connection settings	229
Wireless network coverage troubleshooting	229
Power and battery	231
Turn off your device	231
Set your device to turn on and turn off automatically	231
Check the battery power level	231
Check the battery power level using a voice command	40
Reset the device	231
Extend battery life	231
SIM card	233
About the SIM card phone book	165
Load the SIM card phone book	165
Add a contact to your SIM card	165
Copy contacts from your SIM card to your address book	165
Copy contacts from your address book to your SIM card	166
Change a SIM card contact	166
Delete a SIM card contact	166
Store SMS text messages on your SIM card	76
About SIM card security	235
Protect your SIM card with a PIN code	235
Change the SIM card PIN code	235