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: Unplug the flash drive so it doesn't try to re-flash on the next boot.

: The download will be a .rar or .zip archive. Use a tool like 7-Zip or WinRAR to extract the actual firmware file (usually named SI6703.bin or similar). 2. Prepare the USB Drive : Unplug the flash drive so it doesn't

: The LED indicator light on the board/keypad will typically start flashing rapidly (usually red/blue). This means the firmware is being written to the chip. : Unplug the flash drive so it doesn't