Samsung B2710
Turn use of phone lock code on or off
The phone lock code protects the contents of your phone from unauthorised use. When the phone lock code is turned on, it needs to be keyed in every time you turn on your phone and when it has been in sleep mode.
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
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.