Delete unwanted clones and add your own favorite ROMs via the MicroSD card.
Insert the newly flashed MicroSD card into your turned-off SUP M3. Power on the device. The first boot may take up to a minute as the custom firmware expands its filesystem and builds its initial game directories. Once the main menu appears, head to the settings menu to map your physical buttons and adjust the screen brightness to your preference. Troubleshooting Common CFW Issues sup m3 custom firmware high quality
Once the custom firmware boots up on your SUP M3, tweak these settings to maximize performance: Video Adjustments Delete unwanted clones and add your own favorite
Click and wait for the process to successfully complete. Step 4: Expand the Games Partition sup m3 custom firmware high quality