RetroCompass
RetroCompass

Mini Flip — Firmware update

Quick answer

Button combo

(SD root: miyoo285_fw.img, FAT32)(SD root: miyoo285_fw.img, FAT32)power supplyPOWERrocket logo·(fallback: hold MENU+plug in)

Steps

  1. 1Check your version: the Mini Flip should be on miyoo285 firmware 202510011046; if not, update it.
  2. 2Format a blank microSD/TF card as FAT32 and copy miyoo285_fw.img to the root.
  3. 3Insert the card, plug the device into a power supply, then turn it on with POWER.
  4. 4When the rocket logo appears, leave it alone — it flashes and reboots on its own.
  5. 5If the rocket does not appear: with the device off and already holding MENU, plug it in (do not press POWER).
Last verified: 2026-06-20Source: lomiyoo.com

The Miyoo Mini Flip is a SigmaStar SSD202D device (miyoo285) and updates by placing miyoo285_fw.img on the root of a FAT32 card and booting it on a power supply until the rocket logo runs the flash. The current stock firmware is 202510011046. New units may ship with the L/R shoulder buttons swapped — flashing the official Miyoo firmware fixes that mapping. If the rocket does not show on a normal power-on, use the MENU-held-while-plugging-in method to force the updater. Do not interrupt the process; let it reboot itself. Use only firmware labeled for the Mini Flip / miyoo285 — the larger Miyoo Flip is a different (Rockchip) device.

FAQ

What firmware version should my Mini Flip be on?
202510011046 (the miyoo285 build). If you are behind, copy miyoo285_fw.img to a FAT32 card root and boot on a charger until the rocket logo finishes.
My new Mini Flip has the L and R buttons swapped — how do I fix it?
This is a known issue on brand-new units. Flash the official Miyoo firmware (miyoo285_fw.img) as above; the update corrects the shoulder-button mapping.
The rocket logo never appears — what do I do?
With the device off, hold MENU first, then plug it into power (do not press POWER). This forces the firmware updater. Make sure the .img is at the card root and the card is FAT32.

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