related to mobile issue

sir in 9.0 update there is a issue that bluetooth gets onn automatically and there is no facility of split screen and the adaptive display also doesn't work properly more over the back camera is not stable and cannot give a clear shot on zooming the pixels are not clear while taking shots more to focus on battery issur on 4g data onn the battery drain continue working on phone will last only 6 to 6:30 hours lasting of phone and the phone gets hang very much even some of the apps  do not open or force close do look and fix it on the upcoming update