If you’re someone who loves staying on the bleeding edge of Android custom ROMs, Project Matrixx 11.1.0 is a fresh entry you might want to check out. This unofficial build brings Android 15 to the Nothing Phone (1) (codename: Spacewar) with both Vanilla and GApps options available. Released on February 5, 2025, this update keeps things clean and simple, with a focus on core Android experience and a community-driven development process.
Screenshots:
What’s New in Project Matrixx 11.1.0?
Project Matrixx 11.1.0 integrates the January Android security patch, keeping your device up to date with the latest fixes. While this isn’t a heavily modified ROM, it stays true to the AOSP essence, ensuring a fluid and stable daily experience on Android 15.
🧼 Note: Clean flash is strongly recommended for the best results.
Highlights:
- Based on Android 15
- Ships with both GApps and Vanilla builds
- Includes January 2025 security patch
- Maintains a minimal UI and near-stock feel
- Stable for daily usage with a few minor known issues
⚠️ Known Issues:
- Glyph Interface does not work in NOS Camera
- Game Space is currently non-functional
These bugs may be fixed in future updates, depending on upstream device tree development.
Device Changelog:
January security patch included
How to Flash:
Flashing is simple and straightforward if you’ve used recovery-based ROMs before:
- Reboot to your custom recovery (such as TWRP or OrangeFox).
- Wipe data, system, cache, and vendor.
- Flash the desired Matrixx ROM zip (GApps or Vanilla).
- Flash boot.img and vendor_boot.img if required for your recovery.
- If you’re using the Vanilla version, flash GApps separately.
- Reboot and enjoy Android 15!
📌 Clean flashing is recommended to avoid conflicts or bugs.
Credits:
This build wouldn’t be possible without the support and collaboration of the Spacewar dev community, along with resources from DerpFest OS’s device tree. Huge shoutout to everyone contributing to the project!
Download Links:
| Download ROM (GApps) | |
| Download ROM (Vanilla) | |
| Download Boot.img | |
| Download Vendor_boot.img | |
| Download GApps (NikGapps A15) |
