Etna backup thik hai ki kuch problem hai battery mein? device m30s

J7 prime me sync apne aap on ho jaara hai maine format maar k dekh liya fir v issue hora hai koe 3rd party application v install ni kiya hai 3 week se prob hora hai kaise solve karu koe solution de do 

samsung i was a fan boy of uh but after this update uh disappointed me i take my phones in samsung care they flash new firmware but it didn't work my touch is not working in new update they downgrade my phone and now what my touch is working uh have ...

any j7 prime user touch is working after update