after 260 mb of update fingerprint not working-class

after new update if i am trying to record my sound for google account it said that trouble with microphone.pls fix it.

today i read a news on google oreo update.i can see j7 2017 on that list.but i afraid whether it is j7 pro 2017.if you have any idea pls share

i think after the updation to "N" phone get lag many times.before the updation there were no lags.when i turn the net on the system get stucked.i think there are some bugs.face book lite apk not work properly.problem with net work.it is jio.before up...