If the SD card is for mining hardware (a common use case for specialized firmware), platforms like Zeus Mining host specialized "flash card packages". The Download and Flashing Process
You have downloaded the wrong version of the firmware tool. Look for a newer or older revision of the MPTool for your specific controller. mxtronics sd card firmware download top
: Once you have your PID (like 8816), search for the specific "MPTool" or "Production Tool" for that ID. If the SD card is for mining hardware