1. Find "Security & privacy"
Press Settings.
Press Security & privacy.
2. Create phone lock code using a pattern
Press Lock screen password.
Press Set lock screen password.
Press CHANGE UNLOCK METHOD.
Press Pattern.
Slide your finger across the screen to connect at least four points, repeat the selected phone lock code and press DONE.
Press the Return key.
3. Turn off use of phone lock code
Press Lock screen password.
Press Disable lock screen password.
Key in the current phone lock code and press OK.
4. Return to the home screen
Press the Home key to return to the home screen.