How to activate or deactivate use of phone lock code
The phone lock code protects the contents of your mobile phone from unauthorised use. If use of phone lock code is activated, it needs to be keyed in when you turn on your mobile phone or when it has been in standby mode.
Find "Passcode Lock"
Press Passcode Lock.
Select one of the following options:
Activate use of phone lock code, go to 2a.
Deactivate use of phone lock code, go to 2b.
2a - Activate use of phone lock code
Press Turn Passcode On.
Key in a phone lock code of your own choice.
Key in the same phone lock code again.
Press Require Passcode.
Press Immediately or the required period.
Press Back to go back to the settings.
2b - Deactivate use of phone lock code
Press Turn Passcode Off.
Key in your phone lock code.
Return to the Home screen
Press the Home key to end the session and return to the Home screen.