: Unzip the package on your PC. You should see a binary file (often named allupgrade_... .bin or similar).
board. Note that the archive often contains multiple files for different serial number ranges and panel types (e.g., LSC480HF01-W). Download S512 PC821(1920 1080)(DEXP) zip
mainboard, typically used in models like the . Where to Download : Unzip the package on your PC