The Redmi Note 13 Pro 5G (codename Garnet) continues to be one of Xiaomi’s most active devices in the custom ROM scene — and the latest arrival is AxionOS v2.2.1, an Android 16-based UNOFFICIAL build that brings performance-oriented enhancements, refined UX, and improved stability.
This release packs the powerful AxBurstEngine, several UI refinements, multiple system optimizations, and a long list of bug fixes. If you’ve been waiting for an Android 16 ROM that focuses equally on gaming performance, smoothness, and battery life, this is one build worth trying.
Screenshots:
Whats New:
This update is based on the latest QPR0 branch and syncs several upstream improvements from the AxionOS team and contributors.
Below is a clean, readable breakdown of device changes + source changes.
Device Changelog:
23 November 2025
Synced latest patches to fix the performance lag reported in previous builds.
Updated to latest QPR0 kernel/patch set.
21 November 2025
Synced with the improved Grewal tree.
Wi-Fi + Hotspot combo works properly.
Added missing Portuguese (Brazil) translations.
Defined reserved-size partitions for better OTA handling.
Fixed stability issues.
20 November 2025 — Initial OTA Build
Added SUSFS 1.5.10.
Base source synced with upstream.
Device brought up to date with required QPR0 behavior.
Source-Level Improvements
⚡ AxBurstEngine (Performance Engine)
This is one of the biggest highlights of the build:
- Inspired by OPlus Trinity Engine & BORE mechanism.
- Focuses on UI-first responsiveness.
- Reduces background process pressure for smoother multitasking.
- Lowers CPU spikes, improving thermal stability and reducing overheating in games.
You will notice faster app transitions, fewer micro-lags, and a more consistent framerate during heavy usage.
⚡ Gaming Enhancements
- Added Touch Boost support inside Gamespace.
- New Gamespace call overlay → you can answer calls without leaving the game.
- Fixed bypass charging issue that persisted after closing Gamespace.
- Improved graphics smoothness, reduced jank, and fixed app-launch slowdowns.
⚡ UI & Feature Additions
- Added toggle to suppress notification vibrations/sounds when screen is ON.
- Support for shipping IMS overrides (useful for enabling VoLTE/VoWiFi with VoXX features).
- System can fetch latest PIF beta directly from Google.
- New Material Expressive Updater UI (cleaner, smoother updates).
- Translations updated across the system (Google Translate automated sync).
Fixes & Improvements (Major)
This version is extremely refined with a long list of bug fixes:
System Fixes
- Prevented Facebook-like app memory leaks that caused instability.
- Fixed Doze mistouch prevention, media art bugs, and lockscreen UI alignment issues.
- Fixed flashbang issue when unlocking via FP/bouncer.
Quick Settings (QS)
- Fixed flicker when expanding QS from a non-first page.
- Fixed always-show brightness slider animation.
Launcher Fixes
- Fixed black screen glitch when performing back gesture.
- Fixed icon size scaling on high grid sizes.
- Fixed folders alignment (especially when labels are hidden).
General Improvements
- Reduced jank across multiple system layers.
- Improved performance when switching pages, drawer, and animations.
Notes / Requirements
- Requires latest HyperOS 2.0 (Android 15) firmware.
- Based on latest QPR0 branch.
- Dirty flash is allowed if coming from previous AxionOS A16 builds.
- Includes KSUN patches and SUSFS 1.5.10.
- If you’re using OrangeFox, make sure to untick “Reflash Recovery”.
Support & Credits
- Huge thanks to @Grewal for device tree improvements.
- Appreciation to @jotanh for server support.
- Thanks to @mysellysenpai for Xiaomi-specific parts + SUSFS implementation.
- Big thanks to @kleidione for major assistance.
Final Verdict — Should You Flash This?
AxionOS v2.2.1 for Garnet is a clean, smooth, well-optimized Android 16 ROM with excellent performance tuning, polished UI, better RAM management, and a great gaming focus.
If you want a balance of performance + battery + stability, this is easily one of the better A16 builds right now.
