: You will likely need to recalibrate the touch screen and remap touch buttons via the factory settings menu. Important Warning
: Ensure your device is truly an 8227L. Many Chinese head units use fake "Android 11" labels in settings while actually running Android 8 or 10. Backup Data : Flashing firmware usually wipes the device. 8227l Android 11 Firmware Download
Copy the raw files (often update.zip , preloader , etc.) directly onto the root directory of the drive. 3. The Flashing Process Turn off your car and power down the head unit. Insert the USB/SD card into the head unit. : You will likely need to recalibrate the