: Unpack the .rar file. You should see a file with a .bin extension (often named LAMV29.bin , SKR.bin , or similar).
: Indicates that the firmware is flashed via the board's onboard USB port rather than a specialized programmer. Essential Safety Checklist
Power on the board. The indicator LED will usually blink rapidly (often red/green) for 30–60 seconds.
until the blinking stops or the screen turns on. Where to Find Support