A firmware update improves stability, fixes bugs, patches security vulnerabilities, and can add new features. Follow the steps below to safely check for, acquire, install, and verify the YT9218C firmware update and to recover if something goes wrong.

Take a photo of this screen before proceeding. You will need the exact MCU version number if you ever need to restore the factory settings. Part 2: Prerequisites and Materials Needed

: If steering wheel controls stop working, enter Factory Settings (common password: 8888 ), select your car's brand/model, and update the Canbus settings.

8GB to 32GB capacity, formatted strictly to . Do not use exFAT or NTFS. Computer