Before downloading anything , you must confirm your unit is actually using the YT9216BJ board.
Once the completes successfully:
Before attempting any update, you must gather specific information to ensure you don't destroy the device. android yt9216bj-00012-v001 update
If you need the actual ( .bin ), modded recovery , or a script to unpack/repack the firmware for V001, let me know. Before downloading anything , you must confirm your