V12.0.2.0.QEEMIXM: Download MIUI Global Stable ROM for Mi Mix 3

Updated on November 22, 2020: Today Xiaomi rolled the second version of MIUI 12 for the Mi Mix 3 globally with software version V12.0.2.0.QEEMIXM. The update brings October 2020 security patches and bug fixes.

Updated on August 26, 2020: Finally, Xiaomi Mi Mix 3 started receiving the MIUI 12 stable ROM for the global users. The update brings new features and improvements along with the August 2020 security patch. The new firmware is labeled with build number V12.0.1.0.QEEMIXM.

Updated on July 17, 2020: Today Xiaomi rolled the June 2020 security patch to the Mi Mix 3 (Codename: perseus) globally with version V11.0.5.0.QEEMIXM. The update has no major changes apart from security patch and regular bug fix. If you are using the Mi Mix 3, you can manually download and install MIUI Global Stable ROM on Mi Mix 3 based on Android 10.

As we speak, the update has already started rolling over the air for users globally in a phased manner. It may take days or weeks to reach every device around the corner. In case, if you are not patient enough to wait, then follow this guide to install the update on your Mi Mix 3 (perseus).

Download MIUI Global Stable ROM for Mi Mix 3 [V11.0.5.0.QEEMIXM]

Manually Check OTA Updates

Before moving to the guide, we recommend you to first check if the OTA is already available for your device manually. To do that,  go to the phone Settings > About Phone > Software update. Additionally, you can perform this task via the Software Updater app directly. If the software version V11.0.5.0.QEEMIXM is available, you can grab it.


Before downloading the OTA update, make sure to charge the phone battery up to 50% minimum and connect to a Wi-Fi network.

However, if you’re not getting the latest OTA update due to some unfortunate reason, don’t worry. You can follow the firmware installation guide below for your Xiaomi Mi Mix 3 model.


Recovery ROM | Fastboot ROM


  • Updated Android Security Patch to October 2020. Increased system security

Recovery ROM | Fastboot ROM

  • System animations
    • Optimization: Animations in selected scenes
  • Control center
    • New: Swipe down from the upper left corner to open Notification shade and from the upper right corner to open Control center
    • New: When Notification shade is open, swipe down from the upper right corner to open Control center
    • Optimization: Control center is now closed by incoming calls
    • Optimization: Press and hold redirection options
  • Dark mode
    • Optimization: Brightness and color improvements for wallpapers in Dark mode
  • System
    • Updated Android Security Patch to August 2020. Increased system security.
  • Status bar, Notification shade
    • New: Screen lights up with an animation now
    • New: Status bar color gradient animation
  • Camera
    • New: A new mode for scanning documents

Recovery ROM | Fastboot ROM


  • Updated Android Security Patch to June 2020. Increased system security.

How to Install MIUI 12 Global Stable ROM for Mi Mix 3 (perseus)

Installing the stock ROM or upgrading the MIUI version on Xiaomi devices is comparatively easy. But you should follow all the pre-requirements and downloads below before proceeding.


  • Supported for: Xiaomi Mi Mix 3 (perseus) only. The device should be running on stock ROM to apply the update.
  • Requires: A PC/Laptop and a USB cable.
  • Backup: Take a full Backup of Phone Data at first to keep the important files safe.
  • Charge: Keep your device charged more than 50%.
  • Mi Flash Tool – Download and Install it on your PC
  • Download ADB and Fastboot Tools on your computer
  • Download Xiaomi USB Drivers and install it on the PC


We recommend to take a full backup first. GetDroidTips will not be held responsible for any type of issue on your device while or after following this guide or even flashing any file. So, proceed at your own risk.

Instructions to Install:

We assume that you’ve followed the downloads and requirements properly. Now, you can proceed to install MIUI Global Stable ROM on Mi Mix 3. Check out the guide link below along with a video tutorial as well.

Guide to Install MIUI ROM on Xiaomi Device [Recovery/Fastboot]

You can check out our full-depth tutorial video as well:

Video Guide on Steps to Flash Xiaomi Device using Fastboot Method

We hope that you’ve updated or installed the latest MIUI version on your Mi Mix 3 (perseus) successfully. Feel free to ask in the comments below for any queries.

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