1 Find "Phone lock"
Press Menu.
Scroll to Settings and press the Navigation key.
Scroll to Security and press the Navigation key.
Scroll to Phone lock and press the Navigation key.
2 Turn use of phone lock code on or off
If required, press the Navigation key.
Key in the required phone lock code and press the Navigation key.
Key in the phone lock code again and press the Navigation key.
3 Return to the home screen
Press Disconnect to return to the home screen.