When you start the tablet push.power + volume up + home button. Until samsung emblem shows .
This is where using vup and vdn high light
Erase cache then push power to select . Screen notifications will show at bottom then scroll to reboot push power. .
Ignition acts properly then there is an error being written in restart file at Or during operation Or closing when mods.to start file are written.
This being true you're gonna wanna reload the firmware. Down load it model specific at Samsung. Samobile websites follow instructions. Any further of the same replace the battery for floating voltage or amperage during operation of specific radios.