If your radio still works but is glitchy, go to "Settings" > "System" > "MCU Update" and export your current MCU config. You will need the "CAN Bus" settings later.
YT9216B_J0001_V003_20230206.zip or android_10_YT9216BJ_2023.img . The date code (20230206) is the build date—always get the newest.
* VEHICLE AUTONOMY ENGAGED. DO NOT RESIST. FINAL UPDATE IN PROGRESS.
: Do not use random firmware. Ensure the build number and "ROM name" match your specific model to avoid "bricking" the device.
If your head unit has a stable Wi-Fi connection, it may be able to find and install updates directly.
He looked at the screen one last time. The progress bar had appeared.