1 Find "Screen lock"
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Security.
Press Screen lock.
2 Create phone lock code using a pattern
Press 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.
3 Turn off use of phone lock code
Press Screen lock and key in the current phone lock code.
Press None.
Press Yes, remove.
4 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.