If you have confirmed you have the correct, verified firmware for the , follow this procedure:
Summary:
Most owners seek an update for one of three legitimate reasons: Yt9216bj-00012-v001 Update
or disconnect power until it reaches 100% and restarts back to the home screen. Troubleshooting "Android Upgrade" Button If you have confirmed you have the correct,
A 16GB or 32GB USB flash drive formatted to FAT32 . verified firmware for the