Many "free download" sites host malware or outdated versions that require a password (like "xuanyuan" or "xyauto"). Do not pay for firmware.

: Open the Play Store, tap your profile icon, and go to Manage apps and device > Updates available to update Google Maps, YouTube, and Android Auto components.

Disclaimer: Modifying car head unit firmware carries inherent risk. Always verify your hardware version via the recovery menu before flashing. The author is not responsible for bricked devices.

: After a system update, you may also be prompted for an MCU update ; this is normal and should be allowed to ensure hardware compatibility. Android Car Stereo Firmware Upgrade : XYAuto

Do not download a random file labeled "YT9216BJ." You must verify your current system details to ensure the update is compatible.