Blackberry Pearl 8220 User Guide - Page 8

Turn off a wireless connection...210 About wireless coverage indicators...210 Network connection indicators...210 Turn on wireless coverage notification...211 About the preferred wireless network list...212 Add a wireless network to the preferred wireless network list...212 Change the order of preferred wireless networks...212 Delete a wireless network from the preferred wireless network list...213 Turn off data service...213 About roaming...214 Switch wireless networks manually...214 Verify the status of network connections and services...214 Wi-Fi connection settings...215 Advanced Wi-Fi connection settings...218 UMA connection settings...220 Wireless network coverage troubleshooting...221 Power, battery, and memory...223 Turn off your device...223 Set your device to turn on and turn off automatically...223 Reset the device...223 Check the battery power level...223 Extend battery life...223 Format a media card...224 View the amount of available memory...224 Best practice: Optimizing your device performance...224 SIM card...226 About the SIM card phone book...226 Add a contact to your SIM card...226 Copy contacts from your SIM card to your contact list...226 Copy a contact from your contact list to your SIM card...226 Change a SIM card contact...227 Delete a SIM card contact...227 Store SMS text messages on your SIM card...227 About SIM card security...228 Protect your SIM card with a PIN code...228 Change the SIM card PIN code...228 Change the display name for a phone number...228 Security...229 Security basics...229