: The firmware may not support the specific backlight or display driver of your unit. How to Proceed Safely
Start your car to ensure the unit doesn't lose power mid-update. cvd1810 wj update link
: Most updates for these units are performed manually using a USB drive formatted to FAT32 . : The firmware may not support the specific
Firmware Update Procedure for CVD1810 WJ: Methodology and Link Access current build number
If you can provide more details (Android version, current build number, screen size, or a photo of the system info screen), I may be able to narrow down the exact update source for you.