
Makr sure your device has the latest software. Go to www.nokia.com/softwareupdate or your local Nokia website for updating instructions.
You can back up your device settings and content to a compatible memory card. Go to Menu > Tools > Utilities > Memory and select Options > Back up phone memory.
Select Keypad autolock period from Menu > Tools > Settings > General > Security > Phone and SIM card to have your device keys locked automatically after a certain period of idle time.
To switch between the General and Silent profiles, in the standby mode, press and hold #. If you have two phone lines (network service), this action switches between the two lines.
To call your voice mailbox (network service), in the standby mode, press and hold 1.