I dont know much about d system usage.Tthe problems i face in my mobile are
1, Even if i set it to my storage, what ever apps i download its stored in main storage. So dont have much free space left
2, cannt able to keep open 2 r 3 application in same time, program ram gets full n phone hung up.
3, some time phone completely hang up and i cannt even unlock the home screen, so i have to remove battery n restart
4, incoming call ring delay is more than 10 sec
5, is it possible to upgrade to 6.5.3? n how to do it.
6. i cannt able to connect my phone to samsung New PC studio or Kyes, i using vista 32-bit laptop
6, how to install new roms
please help me with these things