RetroCompass
RetroCompass

RG35XX Plus — Firmware update

Quick answer

Button combo

POWER(boot from TF1)

Steps

  1. 1Back up everything on the TF2 (ROM) card to a computer first.
  2. 2Download the latest official RG35XX Plus OS image from anbernic.com and unzip the .img file.
  3. 3Open balenaEtcher, select the .img, choose your TF1 (OS) microSD, and flash it.
  4. 4Put the imaged card back in the TF1 slot and the ROM card in TF2.
  5. 5Press POWER; the stock Anbernic OS boots and runs first-time setup.
Last verified: 2026-06-20Source: anbernic.com

The RG35XX Plus runs an Anbernic Linux OS on the Allwinner H700 and the official firmware ships as a disk image (.img) that you write to the TF1 (OS) microSD with a normal imaging tool such as balenaEtcher; there is no in-device OTA updater. Re-imaging TF1 does not touch the TF2 card that holds your ROMs and saves, but back it up first as a precaution. Recent public builds include the 64-bit V1.1.4-240626 release and later maintenance versions on the Anbernic download portal. This is a DRAFT for human review.

FAQ

Which microSD does the firmware go on?
The TF1 (OS) slot. TF2 holds your ROMs and saves and is not overwritten when you write the OS image, but back it up first.
Is there an on-device update button?
No. On the H700 stock OS you update by flashing the official .img to the TF1 card with balenaEtcher; there is no built-in OTA updater.

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