1. 1. Find "Screen lock"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Security & location.
Press Screen lock.
2. 2. Create phone lock code using a pattern
Slide your finger across the screen to connect at least four points and press NEXT.
Repeat the selected phone lock code and press CONFIRM.
Press the required setting.
3. 3. Turn off use of phone lock code
Press Screen lock and key in the current phone lock code.
Press YES, REMOVE.
4. 4. Return to the home screen
Press the Home key to return to the home screen.