: Download the firmware .zip or .bin file. If provided as a zip, extract the files to the root directory of your USB drive.
: If sound disappears after an update, check the Factory Settings under the "AMP" or "Audio" options to ensure the correct output is enabled.
: On your head unit, navigate to Settings > Car Infotainment > About Device (or System > System Upgrade ). cvd1810 wj update link
Because these units are produced by various manufacturers (like Joying, Dasaita, or Hibond), there is no single official website. You must source the firmware based on your specific device specs:
: Ensure the file is in the "root" of the USB and that the USB drive is 32GB or smaller. Larger drives sometimes fail to read. : Download the firmware
: Some users share verified firmware versions via Google Drive links hosted on community forums like XDA Developers . How to Update Your CVD1810-WJ Unit
: After the update, it is highly recommended to perform a factory reset. Note that you may need a factory password (commonly 8878 , 3368 , or 1617 ) to reconfigure your CANBUS and button settings. Common Troubleshooting : On your head unit, navigate to Settings
: Insert the USB drive. Many CVD1810-WJ units will automatically detect the update and prompt you. If not, select Local Upgrade from the menu.