Mi Max 3 MIUI 12.5 V12.5.1.0.QEDCNXM
Stable firmware for the China Mi Max 3 (nitrogen), released June 23, 2021.
Download V12.5.1.0.QEDCNXM
Recovery ROM (OTA .zip) · 2.3 GB
Install from the phone’s updater app — keeps your data.
Download
MD5: 31b602135215a4222d520662b2a46737
Fastboot ROM (.tgz) · 3.0 GB
Full image for Mi Flash Tool — clean install, unbrick or downgrade.
Download
MD5: b3f92af01fdb4ea324d01e751a38afe2
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
- Mi Max 3
- Codename
nitrogen- Region
- China
- Version
V12.5.1.0.QEDCNXM- OS
- MIUI 12.5
- Android
- 10.0
- Branch
- Stable
- Released
- Jun 23, 2021
- Package
- Recovery 2.3 GB / Fastboot 3.0 GB
How to install V12.5.1.0.QEDCNXM
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 Mi Max 3.
- 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.
Fastboot ROM (clean install, needs unlocked bootloader)
- Make sure the bootloader is unlocked and install Mi Flash Tool plus the Xiaomi USB drivers on a Windows PC.
- Download and extract the Fastboot ROM (.tgz) to a short path such as
C:\rom. - Power off the phone, hold Volume Down + Power to enter Fastboot mode and connect it via USB.
- In Mi Flash Tool select the extracted folder, choose clean all (wipes data) and avoid “clean all and lock” unless you want to relock.
- Click Flash and wait until the tool shows success; the phone reboots automatically.
Other Mi Max 3 (China) builds
Device page →| Device | Version | Released |
|---|---|---|
Mi Max 3China · nitrogen | 20.9.4 | |
Mi Max 3China · nitrogen | 9.9.3 |
No matching firmware. Try a different filter.
Mi Max 3 firmware for other regions
Frequently asked questions
Is V12.5.1.0.QEDCNXM an official Mi Max 3 update?
Yes. V12.5.1.0.QEDCNXM is an official Stable MIUI 12.5 build for the Mi Max 3 (China), released by Xiaomi on June 23, 2021. The download links point directly to Xiaomi’s update servers.
Which Android version does V12.5.1.0.QEDCNXM use?
This firmware is based on Android 10.0.
Will installing V12.5.1.0.QEDCNXM 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 (
nitrogen). Cross-region flashing requires an unlocked bootloader and can cause problems.