miyoo

The consoles

What's inside, which firmware they run, and what I ran into along the way, in case it helps with yours.

MIYOO

Miyoo Flip

The one I didn't order: the shop shipped it by mistake and let me keep it. The big clamshell, and the stronger of the two.

Inside

Firmware
spruceOS 4.2.0
Chip
Rockchip RK3566, 4 × Cortex-A55
Screen
3,5″ IPS, 640 × 480
Network
Wi-Fi + Bluetooth
Card
128 GB microSD, FAT32

Not tried

  • Knulli: Batocera-based, with Flip support.

What I learned

  • The card must be FAT32. It came as exFAT and had to be reformatted.
  • First boot says “extracting rootfs” and takes several minutes. Keep it plugged in: if it dies there, the install can break.
  • It only charges from the front USB-C. The back one doesn't even light the LED.
  • Over a cable my PC can't see it (Ubuntu fails to enumerate it with error -71). Games go in with a card reader or over Wi-Fi: the WiFi File Transfer app serves a page at http://IP:8080, and there's Samba too.
  • spruce ships no commercial games, only sample homebrew. Each system has its own folder in Roms/.
MIYOO MINI+

Miyoo Mini Plus

The one I actually ordered, which arrived later. Small, truly pocketable, running Onion: the go-to firmware on the Mini.

Inside

Firmware
OnionOS
Chip
SigmaStar SSD202D, 2 × Cortex-A7
Screen
3,5″ IPS, 640 × 480
Network
Wi-Fi
Memory
128 MB

Not tried

  • Koriki: Runs from the card on top of the stock firmware, with the SimpleMenu frontend.
  • Allium: A launcher written in Rust that replaces the stock menu, with RetroArch, box art and netplay.

What I learned

  • Before installing Onion I kept a full copy of the original card, in case I need to go back.
  • PICO-8 runs through Fake-08, which comes with Onion. .p8 carts go in Roms/PICO.
  • With 128 MB of memory, anything I make for it has to be genuinely light.