why after I update my senfone could not open again and asking always a password

[Android Central Question]

an available update of my asus senfone 4 and I update but after updating could not open again my fone, asking a password that not the password that I put in before I update

 

[B. Diddy]

Welcome to Android Central! Was this an update pushed over the air, or did you manually download it from a website and install it yourself?