OS3.0.308.0.WNACNXM is a stable HyperOS 3 update for the Xiaomi 14 Ultra (China, codename aurora), based on Android 16 and released on Sep 30, 2026. It brings the August 2026 Android security patch.
- Device Xiaomi 14 Ultra (
aurora) - Region China
- OS HyperOS 3, Android 16
- Branch Stable
- Security patch 2026-08-01
- Build date Sep 17, 2026
- Fingerprint
Xiaomi/aurorapro/aurora:16/BP2A.250605.031.A3/16OS3.1.260917.151726875.QCPECN.S:user/release-keys
Download OS3.0.308.0.WNACNXM
| Type | Size | MD5 | |
|---|---|---|---|
| Recovery ROM (.zip, built-in updater) | 7.9 GB | — | Download |
| Fastboot ROM (.tgz, Mi Flash) | 10.0 GB | — | Download |
What’s New in OS3.0.308.0.WNACNXM
System
- Fix: Improved system stability and user experience
Official release notes published by Xiaomi for this build.
How to Install This Update
Download the Recovery ROM, move it to the internal storage and choose Settings → About phone → (tap the OS card) → three dots → Choose update package. This keeps your data, but only works for a China phone on an older version. For a clean install or a region change, flash the Fastboot ROM with Mi Flash (unlocked bootloader required). Step-by-step instructions are on the Xiaomi 14 Ultra firmware page.
Other Xiaomi 14 Ultra China Versions
- Older: OS1.0.7.0.UNACNXM (Mar 18, 2024)
- All Xiaomi 14 Ultra firmware for every region
Build data: official Xiaomi servers. Firmware list tracked by XiaomiFirmwareUpdater.