Xiaomi Mi Mix 3 5G Firmware Flash File (Stock ROM Guide)

If you’re using Xiaomi Mi Mix 3 5G device and want to install Stock ROM then you’re in the right place. Here in this guide, we will share with you Xiaomi Mi Mix 3 5G Stock Firmware Collections. Additionally, we will also share with you the steps and required download links to flash on your Mi Mix 3 5G.

The Xiaomi Mi Mix 3 5G was launched in February 2019. The full bezel-less display smartphone looks awesome and elegant too. As Android is very customizable and offers some of the great options like bootloader unlocking, rooting, or flashing any custom ROM, it’s always a good idea to go back to the Stock ROM. Stock ROM offers better and stable UI, updated security options, unbrick, latest OTA updates, fixes software bugs, etc. So, if you’re using any other Custom ROM on Mi Mix 3 5G then go back to Stock ROM is easy and possible.

Mi Mix 3 5G Specifications: Overview

Xiaomi Mi Mix 3 5G features a 6.39-inches Super AMOLED display with a screen resolution of 1080×2340 pixels. It’s a 19.5:9 aspect ratio display. The device is powered by Qualcomm Snapdragon 855 SoC coupled with Adreno 640 GPU. The handset packs 6GB RAM and 128GB of internal storage. Xiaomi Mi Mix 3 5G sports a dual rear camera of 12MP + 12MP sensor and the front has dual Selfie camera of 24MP + 2MP depth camera. The smartphone comes with Android 8.1 Oreo out-of-the-box but currently, it is running on Android 9.0 Pie under MIUI 10. It has a 3,800 mAh battery supports wireless charging and proprietary fast charging.

The Dual Nano-SIM featured handset has connectivity options like Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth 5, NFC, USB Type-C, 3G/4G, etc. While the sensors on the phone include accelerometer, ambient light, magnetometer, gyro, proximity, and fingerprint sensor. The device supports face unlock as well.

Xiaomi Mi Mix 3 5G Firmware Flashing Guide

Xiaomi devices run on the top of MIUI which is a custom skin but fully featured and stable. As a non-Pixel ROM, MIUI is one of the most popular and widely used skins. Even the ROM is available for so many other brand devices as per compatibility. However, there are chances that the firmware of Xiaomi devices crashes, lags, and have some bugs which can be fixed by re-installing the Stock ROM.

Stock ROM comes pre-installed on the device by smartphone OEMs. They offer limited but fully functional and stable official firmware which can be used easily as a daily driver. Installing Stock firmware on your Xiaomi Mi Mix 3 5G will get rid of any software-related issue or bug easily. Therefore, here is the Xiaomi Mi Mix 3 5G stock firmware collection which you can download and flash in your device.

Advantages of Stock Firmware

Flash Stock To Unbrick your Mi Mix 3 5G.
Flash Stock ROM to Fix the boot loop issue.
Upgrade and Downgrade Mi Mix 3 5G ROM version.
Unroot or Fix Software Bugs on your phone.
To fix the lag or stutter on your device.
By flashing Stock ROM, you can solve software problems.
Revert back to stock to gain your device warranty.

List of Xiaomi Mi Mix 3 5G Firmware File Collections:

Global Stable ROM

OS build	Changelog
V12.0.4.0.PEMMIXM Recovery ROM \| Fastboot ROM	System Updated Android Security Patch to March 2021. Increased system security
V10.3.18.0.PEMMIXM	System Optimization: Lock screen pocket mode Optimization: Updated Android Security Patch to June 2019. Increased system security. Contacts Fix: Contacts couldn’t be deleted from SIM cards in some cases Lockscreen, status bar, Notification shade New: Introducing customizable Lock screen clock (Settings > Lock screen & password > Advanced settings). New Lock screen clock doesn’t work with third party themes. Fix: Screen didn’t always light up for notifications Fix: Notifications about incoming MMS weren’t displayed before device was unlocked after a reboot Camera Optimization: UI for Beautify and filters Optimization: Same set of filters works for photos, portraits, and short videos Mi Cloud Optimization: Improved sync across multiple devices
V10.3.2.0.PEMMIXM	Other Optimized system performance Improved system security and stability

Europe Stable ROM

Build Number and Download

Changelog

V12.0.7.0.PEMEUXM

Recovery ROM | Fastboot ROM

System
- Updated Android Security Patch to May 2021. Increased system security.

V12.0.4.0.PEMEUXM

Recovery ROM | Fastboot ROM

System

Updated Android Security Patch to February 2021. Increased system security

V10.3.23.0.PEMEUXM

System

Updated Android Security Patch to January 2020. Increased system security.

V10.3.18.0.PEMEUXM

Recovery ROM | OTA ROM | Fastboot ROM

System
- Updated Android Security Patch to July 2019. Increased system security.
Lockscreen, status bar, Notification shade
- New: Use your fingerprint to open Home screen once you unlocked the device using face data and stayed on the Lock screen

V10.3.17.0.PEMEUXM

System
- Updated Android Security Patch to June 2019. Increased system security.
Contacts
- Fix: Contacts couldn’t be deleted from SIM cards in some cases
Lockscreen, status bar, Notification shade
- Fix: Notifications about incoming MMS weren’t displayed before device was unlocked after a reboot
Mi Cloud
- Optimization: Improved sync across multiple devices

V10.3.6.0.PEMEUXM

System
- Optimization: Animations for Recents and full screen gestures
Game speed booster
- Fix: Ending calls when Game Turbo was on didn’t allow to go back to using speaker automatically

V10.3.4.0.PEMEUXM

Fastboot ROM | Recovery ROM

Other

Optimized system performance
Improved system security and stability

China Stable ROM

OS build	Changelog
V10.3.18.0.PEMCNXM Fastboot ROM \| Recovery ROM	System Updated Android Security Patch to October 2019. Increased system security.
V10.3.16.0.PEMCNXM Fastboot ROM \| Recovery ROM	Lockscreen, status bar, Notification shade New: Introducing customizable Lock screen clock (Settings > Lock screen & password > Advanced settings). New Lock screen clock doesn’t work with third party themes. Camera Optimization: Rearranged short video and slow-motion options
V10.3.1.0.PEMCNXM Fastboot ROM \| Recovery ROM	Other Optimized system performance Improved system security and stability

Steps to Install Stock Firmware on Xiaomi Mi Mix 3 5G

Before installing, make sure to follow the pre-requisite and install the necessary drivers and tools on your PC.

Pre-Requisites:

The ROM file is supported only for Mi Mix 3 5G. Don’t try it on other devices.
A Windows PC/Laptop and a USB cable is required.
Download and Install the latest Xiaomi USB Driver for PC.
Download and Install the Mi Flash tool on your PC (Fastboot Method).
Charge your device battery up to 50% at least.
Take a complete backup of your phone data as well.

We’re at GetDroidTips will not be responsible for any kind of damage that occurs to the device that may happen during/after following this guide. Do it at your own risk.

In order to install MIUI Stock ROM on Xiaomi Mi Mix 3 5G, we have provided two methods, either you can follow the Recovery method or the Fastboot method. A detailed guide on both methods is given below:

Guide to Install Stock ROM on any Xiaomi Device