MIUI 12.5Stable BetaChina

Redmi 9 MIUI 12.5 V12.5.2.0.RJCCNXM

Q: Which Android version does V12.5.2.0.RJCCNXM use?

This firmware is based on Android 11.0 .

Q: Will installing V12.5.2.0.RJCCNXM erase my data?

Installing the Recovery package through the updater app keeps your apps and data. Flashing the Fastboot package with “clean all” wipes the phone — back up first.

Stable Beta firmware for the China Redmi 9 (lancelot), released November 2, 2021.

Download V12.5.2.0.RJCCNXM

Recovery ROM (OTA .zip) · 2.9 GB Install from the phone’s updater app — keeps your data.

MD5: dfc481dae328ca9d8892a801644d45c7

Download

This is a Stable Beta build. It may contain bugs and is meant for testers — wait for the Stable release if you depend on your phone daily.

Files are served from Xiaomi’s official servers. Compare the MD5 checksum after downloading to make sure the file is complete and untouched.

Firmware details

Device: Redmi 9
Codename: lancelot
Region: China
Version: V12.5.2.0.RJCCNXM
OS: MIUI 12.5
Android: 11.0
Branch: Stable Beta
Released: Nov 2, 2021
Package: Recovery 2.9 GB

How to install V12.5.2.0.RJCCNXM

Recovery ROM (recommended, keeps data)

Back up your important data and charge the phone to at least 50%.
Download the Recovery ROM above on your Redmi 9.
Open Settings → About phone and tap the MIUI version card.
Tap the ⋮ menu → Choose update package and select the downloaded .zip file.
Wait for verification, then tap Reboot now. The update takes 10–20 minutes.

Other Redmi 9 (China) builds

Device page →

Device	Version	Android	Branch	Released
Redmi 9China · `lancelot`	V13.0.5.0.SJCCNXM MIUI 13Stable	12.0	Stable	Sep 26, 2022

Redmi 9 firmware for other regions

Frequently asked questions

Is V12.5.2.0.RJCCNXM an official Redmi 9 update?

Yes. V12.5.2.0.RJCCNXM is an official Stable Beta MIUI 12.5 build for the Redmi 9 (China), released by Xiaomi on November 2, 2021. The download links point directly to Xiaomi’s update servers.

Which Android version does V12.5.2.0.RJCCNXM use?

This firmware is based on Android 11.0.

Will installing V12.5.2.0.RJCCNXM erase my data?

Installing the Recovery package through the updater app keeps your apps and data. Flashing the Fastboot package with “clean all” wipes the phone — back up first.

Can I install this on another region’s device?

Only install firmware that matches your device’s region (China) and codename (lancelot). Cross-region flashing requires an unlocked bootloader and can cause problems.