Before starting, ensure you have a high-quality USB drive formatted to .
: On your head unit, navigate to Settings > Car Infotainment > About Device (or System > System Upgrade ). cvd1810 wj update link
: The process usually takes 5-8 minutes . Do not turn off your vehicle or disconnect power during this time, as it can brick the device. Before starting, ensure you have a high-quality USB
: The most reliable "unofficial" repository for these specific MCU versions is the 4PDA Android Head Unit Thread , which maintains a list of WJ local updates and dump files. 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: