1. Find "Screen lock type"
Slide two fingers downwards starting from the top of the screen.
2. Create phone lock code using a pattern
Slide your finger across the screen to connect at least four points and press Continue.
Repeat the selected phone lock code and press Confirm.
Press the required setting to turn the function on or off.
3. Turn off use of phone lock code
Press Screen lock type and key in the current phone lock code.
4. Return to the home screen
Press the Home key to return to the home screen.