GammaOS Nano v1.4 (MagicX Mini Zero 28) Release Notes
Patreon Exclusive Release
Password obtained from Patreon for GammaOS Insider tier supporters: https://www.patreon.com/posts/165310597
This release will become publicly available to non-supporters at a later date. The password will be posted on Patreon.
Release Date: 31st July 2026.
This is a whole new GammaOS
v1.4 is not an incremental update. On the MagicX Mini Zero 28, GammaOS Nano is the primary UI, and it is not a launcher, it is a whole micro-OS built on top of Android. It grabs the panel the instant you power on and paints a full console-style home, but underneath it is deeply integrated with the low-level Android system and the device hardware: DRM-direct rendering straight to the panel, an early-boot audio engine that sounds before the rest of the system is even up, and native power and sleep management. There is no heavy Android launcher loading in the background, no bloat, and no waiting. It boots straight to a console-style experience that is fast, lean and built for a controller first.
This build runs entirely from a microSD card and leaves your device's internal stock firmware untouched, so you are never locked in. It is based on GammaOS Core (Android 14 / LineageOS 21) for the Allwinner A133P, and you can switch freely between GammaOS Nano and the full GammaOS Core Android experience underneath whenever you like. To go back to stock, just remove the card.
Known Issues
- DraStic RetroAchievements currently supports Softcore mode only. Hardcore mode is pending approval from the RetroAchievements team, which can take up to around 6 months if they agree to it.
What's New in v1.4
DraStic-nano: faster DS emulation with RetroAchievements
The built-in Nintendo DS player has had a major performance pass on Android, with smoother frame pacing and lower overhead on the Mini Zero 28. It now also supports RetroAchievements (Softcore), so you can unlock achievements while you play. Hardcore mode is pending approval from the RetroAchievements team (roughly 6 months if they agree). Quick Resume lets you jump straight back into your last DS game right where you left off, with the save-state handoff held behind a clean preview so there is no black flash on return.
Three full home themes
GammaOS Nano gives you three complete home themes, and you can switch between them at any time:
- DSi System Menu - a faithful Nintendo DSi home, with the tile carousel, glossy blue selection frame and DSi-style settings and dialogs.
- PS3 XMB - a 1:1 recreation of the PlayStation 3 XrossMediaBar, complete with the animated wave wallpaper, glass icons with live light refraction, the analog clock and the authentic menu animations.
- Minima - clean, fast, minimalist themes inspired by MinUI and NextUI for people who just want to get into their games with zero fuss.
Custom wallpapers, including video wallpapers
Set your own wallpaper behind the XMB and DSi homes, picked from your photo library. You can use a looping video wallpaper on screen, dimmed to taste with an adjustable scrim so your icons and text stay readable. Every frosted panel, glass icon and the clock samples your chosen wallpaper so it all stays consistent.
In-game overlay on a power-button hold
No matter what you are playing, hold the power button to bring up the overlay menu right over your game. It dims the game behind it while it keeps running, so you can adjust brightness, change performance mode, jump into Quick Settings, or close and switch apps without losing your place, then dismiss it and drop straight back in.
Improved sleep mode
Sleep and wake have been reworked to be faster and more reliable. The device suspends properly, wakes cleanly and holds far less battery drain during standby, so you can put it down mid-game and pick it up later without the long idle and resume problems of the previous build.
Built-in media, browser and more
Nano includes self-contained music, video and photo players, a controller-first web browser, IPTV and Internet Radio, system-wide Network Shares (SMB/NFS/WebDAV/FTP that behave like local storage), and a global search across your games and media. Boot speed and memory use have also been improved across the board.
Learn More About GammaOS Nano
A full guide to everything GammaOS Nano can do, its themes, players, settings and hidden features, is here:
https://thegammasqueeze.github.io/GammaOSNano-WIKI/
Before You Download
This is a single SD card build. It boots into GammaOS Nano as the primary UI and lets you switch to the full GammaOS Core Android experience freely.
Download the package
Download from the release page:
https://github.com/TheGammaSqueeze/GammaOSNext/releases/tag/v1.4.0-MAGICXMINIZERO28
The firmware ships as a single split archive (2 parts). Download both parts:
GammaOS_Nano_v1.4_Mini28_PhoenixCard.7z.001GammaOS_Nano_v1.4_Mini28_PhoenixCard.7z.002
Also download the flashing tool (PhoenixCard) from the release, if you are on Windows.
Extract
Extract both parts together (right-click the .001 while .002 is in the same folder and extract, using the password from Patreon). You will get a single image file:
GammaOS_Nano_v1.4_Mini28_PhoenixCard.img
Install
This is an SD card install using PhoenixCard (Windows). Full step-by-step installation instructions are here:
https://github.com/TheGammaSqueeze/GammaOSNext/wiki/GammaOS-Next-Installation-for-Allwinner-SD-Card-Devices
Note: GammaOS Nano runs entirely from the microSD card. Your device's internal storage and stock firmware are left untouched. To return to stock, power off and remove the card.
Overview
GammaOS Nano v1.4 is a ground-up rebuild of the MagicX Mini Zero 28 experience, based on GammaOS Core (Android 14 / LineageOS 21). Rather than loading a heavy Android launcher, v1.4 boots straight into a native, console-style home built for handhelds, with the full GammaOS Core Android experience one switch away. This release focuses on a fast boot-to-play experience, three full home themes, a much-improved DraStic DS player with RetroAchievements, custom and video wallpapers, and a lean footprint, all running from an SD card that leaves your stock firmware intact.
Full Changelog
The complete, detailed changelog for v1.4 is available here:
https://github.com/TheGammaSqueeze/GammaOSNext/wiki/GammaOS-Next-Changelog#v14-july-2026
Support
For assistance or feedback, please open an Issue here:
https://github.com/TheGammaSqueeze/GammaOSNext/issues
Thank you for supporting GammaOS development and helping improve GammaOS Nano for the MagicX Mini Zero 28.