You can set numbers, patterns or mixed passwords as screen lock passwords.

First, set the screen lock password.

1. Go to Settings > Biometrics and Passwords, and click the lock screen password.

2. Enter 6 digits as the password.

3. Or click another password type, select a password type, and enter the password according to the prompt.

Second, change the screen lock password.

1. Enter the biometric and password again, and click to change the screen lock password.

2. Enter the old screen lock password.

3. Then enter a new password, or click another password type to select and enter a new password.

Third, turn off the screen lock password

Enter the biometric and password, and then click the lock screen password.