This is a step-by-step guide for updating the firmware on an (typically an Android-based car head unit, often sold under brand names like XYAUTO, Eonon, Seicane, or similar Chinese units with a 9212B chipset/board).

If auto-detection fails:

The firmware on these units is a custom version of Android tailored for automotive use. Manufacturers release periodic updates to fix bugs, improve stability, add new features (like split-screen or custom launchers), and enhance system performance.

of your formatted USB drive (do not put them inside a folder). 3. The Update Process It is highly recommended to keep the car engine running