Unplug the power, remove the USB drive, and turn the board back on.
Extract the .rar package and locate the firmware file, which usually has a .bin extension (e.g., LW36A8C05.bin ). Download M3663 1440x900 General rar
The file is a firmware package for the M3663 (LUA63A82) Unplug the power, remove the USB drive, and