Extract the .rar package and locate the firmware file, which usually has a .bin extension (e.g., LW36A8C05.bin ).
Installing the wrong firmware resolution can lead to a distorted display or a "black screen" state. Always verify your LCD panel's native resolution before flashing. Download M3663 1440x900 General rar
Copy the .bin file directly to the root directory of the USB drive (not inside any folder). Flash the Board: Power off the TV board. Insert the USB drive into the board's USB port. Plug in the control keypad. Extract the