hello, I'm using s21 ultra, after android 12 update mobile slow working...too much problemalso. main and front camara also not clear like that before..and when i using camar in social apps as a like google duo,wtsapp, etc ..video calling time too much bad quality in front camara and main camara also..too much dark also... some applications scrolling time automatically came out to home screen..phone hanging also lot of time..
