Sup M3 Custom Firmware <VALIDATED ●>

, which significantly expands its capabilities. Unlike the standard SUP 400-in-1, the M3 version often includes an SD card slot, allowing for easier firmware modifications. Primary Custom Firmware: MiyooCFW The most common CFW for the SUP M3 is

Before installing SUP M3 CFW, ensure you have:

: Visit the Actions tab on the MiyooCFW GitHub repository and download the most recent build with a "Master" tag. Use the uclibc image for standard app compatibility.