1 Find "Password"
Press Settings.
Press All.
Press Screen lock & passwords.
Press Password.
2 Create lock code using a pattern
Press Pattern.
Slide your finger across the screen to connect at least four points and press Continue.
Repeat the selected lock code and press Confirm.
3 Select PIN
Key in a four-digit PIN and press Continue.
Key in the PIN again and press OK.
4 Turn off use of lock code
Press Password and key in the current lock code.
Press None.
Press OK.
5 Return to the home screen
Press the Home key to return to the home screen.