Vivo X20 mobile phone supports the setting of six-digit password, custom alphanumeric password, four-digit password and pattern password, but does not support the setting of text password.

If you need to change the password style of the lock screen, it is recommended to enter the phone settings-fingerprint, face, password-change password-password option to select the password style.

If you need to change the screen lock security, it is recommended to enter the mobile phone settings-fingerprint, face and password, turn off the screen lock password, turn off privacy and apply encryption password, and then turn on the screen lock password again to set security questions.

(Tips: At present, the vivo X20 mobile phone does not support setting the screen lock avatar and personalized signature on the screen lock interface. )