The main problem is with the network it shows no network and again full network while on call also the call gets disconnected. The second thing is charging is very very slow after update and battery is also draining fast within night 40% got drained ...

Speaker doesn't work properly after update Suddenly no sound from speaker and phone has to be restarted to get sond from speaker 

After oreo update problemsSlow working keyboardNo sound for incoming call most of the timesApps slow openingWidgets not workingDevice maintenance is not working**If U have same problems comment **

video getting freezed while playing in samsung player where as when online video and audio does not match