The core operating system is hard-coded directly into the internal chip rather than running off the removable MicroSD card.
If you skip this configuration step, the firmware will not boot correctly on your Sup M3, as the default settings are configured for the PocketGo device.
Download the latest stable release package from a verified community repository (such as GitHub or trusted retro-handheld forums).
Add your own ROMs via the microSD card slot.
Sup — M3 Custom Firmware Verified Fix
The core operating system is hard-coded directly into the internal chip rather than running off the removable MicroSD card.
If you skip this configuration step, the firmware will not boot correctly on your Sup M3, as the default settings are configured for the PocketGo device. sup m3 custom firmware verified
Download the latest stable release package from a verified community repository (such as GitHub or trusted retro-handheld forums). The core operating system is hard-coded directly into
Add your own ROMs via the microSD card slot. sup m3 custom firmware verified