Blackberry 8220 manual 227

Network connection indicators	207
Turn on wireless coverage notification	145
About the preferred wireless network list	208
Add a wireless network to the preferred wireless network list	208
Change the order of preferred wireless networks	209
Delete a wireless network from the preferred wireless network list	209
Turn off data service	209
About roaming	210
Switch wireless networks manually	210
Verify the status of network connections and services	210
Wi-Fi connection settings	210
Advanced Wi-Fi connection settings	213
UMA connection settings	216
Wireless network coverage troubleshooting	216
Power, battery, and memory	219
Turn off your device	219
Set your device to turn on and turn off automatically	219
Reset the device	219
Check the battery power level	219
Extend battery life	219
Format a media card	98
View the amount of available memory	98
Best practice: Optimizing your device performance	220
SIM card	223
About the SIM card phone book	223
Add a contact to your SIM card	223
Copy contacts from your SIM card to your contact list	223
Copy a contact from your contact list to your SIM card	223
Change a SIM card contact	224
Delete a SIM card contact	224
Store SMS text messages on your SIM card	49
About SIM card security	224
Protect your SIM card with a PIN code	224
Change the SIM card PIN code	225
Change the display name for a phone number	225
Security	227
Security basics	227
Password keeper	228
Encryption	230