(also known as the Game Box M3 Power) is an ultra-budget handheld typically locked to a simple "famiclone" interface. However, it is possible to install a version of the Miyoo Custom Firmware (CFW) to significantly improve its performance and UI. Exclusive CFW: MiyooCFW for SUP M3 The SUP M3 runs on hardware compatible with the
: The CFW includes software patches to address vertical screen tearing, making fast-paced action games significantly more playable on the Sup M3's 3-inch display. Technical Installation Requirements sup m3 custom firmware exclusive