I already do that and my fingerprint is registered but nothing happens

yes.. i am totally agree with you..i am using j7 Prime 2016. and it's security patch is December 2018 and why we can't get update.. plzz provide regular updates or to provide more exchange value to we can upgrade owr phone.

plzzz sir update Samsung j7 prime with orio

slow charging after updat naugat plzz help me sir

same problem sir.. plzz help me