Mi 9 · CN

Download Mi 9 CN V12.5.5.0.RFACNXM

Firmware V12.5.5.0.RFACNXM for Mi 9 (CN). Official HyperOS build.

Firmware details

Device:
Mi 9
Codename:
cepheus
Region:
CN
Version:
V12.5.5.0.RFACNXM
Android:
11.0
Branch:
Recovery
File:
miui_CEPHEUS_V12.5.5.0.RFACNXM_8ff260d251_11.0.zip
Size:
2.8 GB

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