Updated on November 22, 2020: Today Xiaomi rolled the second version of MIUI 12 for the Mi Mix 3 globally with software version V18.104.22.168.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 V22.214.171.124.QEEMIXM.
Updated on July 17, 2020: Today Xiaomi rolled the June 2020 security patch to the Mi Mix 3 (Codename: perseus) globally with version V126.96.36.199.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 188.8.131.52 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).
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 V184.108.40.206.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
Recovery ROM | Fastboot ROM
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
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.
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.