Copy the unzipped firmware files (often a .zip or .img file) directly into the root directory of the USB drive. Initiate Update: Plug the USB drive into the head unit's USB port. Navigate to Settings > System Info (or About Device ). Tap the Android Upgrade or Local Update button.
: Keep your engine running or connect to a stable power source during the update to prevent the unit from shutting down mid-process. How to Update YT9217B Firmware Method 1: Manual USB Update (Recommended) yt9217b firmware update android 10 upd