why Samsung j2 pro stuck in starting

[Android Central Question]

I just factory reset the phne cause my brother tried hit password so many times and it locked him away. after factory reset i power on the phone. And it displayed installation of apps.. now its stuck in the installation.. why is that

 

[B. Diddy]

Welcome to Android Central! What exactly does the screen look like? How far along in the setup process did you get?