This page firmware, only for 668 version of TBox plus. 

Tbox 138 series, do not use this firmware

Please make sure to check your TBox plus version before downloading the firmware upgrade.

Check the product version by the following methods.

TBox plus software desktop - Settings - Check Autokit TBox plus version number

668, Android 11/12, upgrade Android 13 method:

Watch the tutorial video, use the burning software + files, with PC computer can be

Burning Tool：https://drive.google.com/file/d/1f46a31YZR8d_Kmyp3l7CWcrQXO-zCYiD 

Video Tutorial：https://youtu.be/UYSnB4xI-Pw

Burning Files：https://drive.google.com/drive/folders/1C22vfjcRvm-WMtT3gFP7NE7uXAtFMvb7