not able to run dreamcast roms on the trimui brick

[makeitwitchuss]

the same SD card runs the same roms on the miyoo flip

[joaoviss]

the same SD card runs the same roms on the miyoo flip

Did you teu changing the emulator (X button over the rom) to Flycast standalone? Libretro doesn't work at all on SpruceOS (nor StockOS for me)