Xiaomi 15 Ultra · CN

Download Xiaomi 15 Ultra CN OS3.0.309.0.WOACNXM

Firmware OS3.0.309.0.WOACNXM for Xiaomi 15 Ultra (CN). Official HyperOS build.

Firmware details

Device:
Xiaomi 15 Ultra
Codename:
xuanyuan
Region:
CN
Version:
OS3.0.309.0.WOACNXM
Android:
16.0
Branch:
F
File:
xuanyuan-ota_full-OS3.0.309.0.WOACNXM-user-16.0-4388015afd.zip?t=1784121018&s=856e6256393812d86ace216121873675
Size:
9.3G
Release date:
14.04.2026

Download firmware

Installation

  1. Download the recovery package from the link above.
  2. Open System Update on the device.
  3. Menu ⋮ → Choose update package and select the downloaded file.
  4. Wait until install finishes — the device will reboot on its own.
  5. Do not power off or interrupt the process while flashing.

Files are indexed from public HyperOS / Xiaomi builds and community mirrors. Otree.pro is not affiliated with Xiaomi; the original release and device settings remain authoritative.

CN and Global/EEA/RU builds use different packages and services. Install the region that matches your device firmware, or you may hit signature conflicts.

It is better to create a backup before installation

History

Region