Requires correct LVDS voltage and signal mapping (standard for 1080p panels). How to Install the Firmware
Ensure the file is not inside a folder on the USB drive. Download MS3663 PC821 1920x1080 Cristor Dump rar
Once the blinking stops or the TV restarts, the process is complete. Remove the USB drive before the TV tries to boot again. Troubleshooting Requires correct LVDS voltage and signal mapping (standard