Sup M3 Custom Firmware Exclusive: Portable

If games do not appear in the menu, ensure your ROM files match the exact file extensions required by the CFW emulators (such as .nes , .smc , or .gbc ). Check that the files reside in the correct directories. Frozen Buttons or Controls

Once flashed, safely eject and re-insert the card. You should see a readable partition named "ROMS" or "MAIN". sup m3 custom firmware exclusive

Open the partition to find pre-configured folders labeled by system (e.g., FC , GB , GBC , SMS ). If games do not appear in the menu,

Stock firmware ignores CD-based consoles due to licensing issues. The exclusive custom firmware unlocks . You can drop your own bios_CD.bin file into the /SYSTEM folder and play Snatcher (Sega CD) or Rondo of Blood (PC-Engine) instantly. This is the killer app of the exclusive build. You should see a readable partition named "ROMS" or "MAIN"