How to set the screen lock password of vivoy73s

1. Go to Settings-"Fingerprint, Face and Password"/"Fingerprint and Password"/"Face and Password", set the secret protection question, and select "Screen Lock Password" to set the screen lock password;

2. The screen lock password is set to 6 digits by default. Click Other Password Types/Password Options and select Mode Password, 4-digit Password, 4- 16-digit Password and Mixed Password;