Download Link Available For Samsung GT-P6800 INU flash-file-firmware Upgrade version. Before flash your device at first backup your all user data then flash your smart tablet. make sure your tablet battery is not empty.
Why need flash your device?
if your tablet is auto restart, device is hang slowly working. any option is not working properly. tablet auto download application and install it.
Download virus or any others flashing related problem you need flash your tablet.