Download the official .zip or .img firmware file from the manufacturer (e.g., Idoing or CAIXI Store ).
: Navigate to the "System" or "Car Settings" menu.
: Use a computer to format a USB flash drive (ideally 32GB or smaller) to Prepare the Files Download the official firmware package (often a Extract the contents to the root directory of the USB drive. You should see files like update.zip or specific binary files (e.g., ) directly on the drive, not inside a folder. Initiate the Upgrade
The Yt9216bj-00012-v001 update is important for several reasons: