If your unit is a Joying model , use their dedicated update portal.
Common chipsets include the AC8227L or MT8163. cvd1810wj firmware
Go to Settings > System Info or About Device . Look for the MCU version starting with CVD1810-WJ and the Build Number. Source the Firmware: If your unit is a Joying model ,
Insert the USB into the head unit. The system should automatically detect the update. If it doesn't, navigate to Factory Settings (common code: 8888 or 1617) and select System Upgrade. How to Update Your Android Head Unit | Firmware/Build these units share a common architecture:
Options range from 9-inch to 12.3-inch IPS panels with resolutions like 1024x600 or 1280x720.
While labeled under different brands like Essgoo, Haudio, or Joying, these units share a common architecture: