TBox upgrade steps：

1, Please rename the downloaded file to: update and copy it to the root directory of your micro SD card.

2, Update.zip, This file does not need to be Unzip..

3, Insert the micro SD into the product, the system will automatically prompt whether to update, click update, the box will automatically enter the upgrade state (warm tips: the upgrade time lasts 5 minutes, do not unplug the box in the middle);.

4. After the upgrade is complete, the product will reboot