Huawei Y7
Android 7.0
1 Find "Password"
Press Settings.
Press Screen lock & passwords.
Press Password.
2 Create phone lock code using a pattern
Press Pattern.
Slide your finger across the screen to connect at least four points and press REDRAW.
Repeat the selected phone lock code and press FINISHED.
3 Return to the home screen
Press the Home key to return to the home screen.
4 Turn off use of phone lock code
Press Settings.
Press Screen lock & passwords.
Press Password and key in the current phone lock code.
Press None.
Press REMOVE.
5 Return to the home screen
Press the Home key to return to the home screen.