how to remove google account on zte blade a452 andoid 5.1

how to remove google account on zte blade a452 andoid 5.1
Link to download apps : http://www.nckreader.com/samlock

After installing and open "frplock" app, then tap on the three dot menu at upper right corner, then chose "browser sing in" and sign in with any of your google account or create new account. Restart the phone, and go through the setup.. If stuck on "checking connection" just wait...

https://www.facebook.com/nckreader/
https://twitter.com/nckreader
http://www.nckreader.com/

Видео how to remove google account on zte blade a452 andoid 5.1 канала Mobilenckreader