Is V12.0.4.0.QEECNXM stable for daily use?

This is an official firmware release. All official releases from FirmwareMirror are stable and tested. Always backup your data before flashing any firmware.

Is this firmware the latest version?

Yes, V12.0.4.0.QEECNXM is the version shown. Check FirmwareMirror regularly for newer versions of Mi MIX 3 China firmware.

Download Mi MIX 3 China ROM - V12.0.4.0.QEECNXM (Global)

What's New

[Other]Optimized system performanceImproved system security and stability

Android Version

10.0

File Size

2.25 GB

Release Date

Apr 06, 2021

Flash Method

Fastboot

Download ROM

Available

Download Now

File Size: 2.25 GB

Mirror Downloads (11)

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11 mirror(s) available • Click any button to download

Verification & Details

MD5 Checksum:

c91b8f57de39d94b5b2fdc4e453c17d8

Package Name:

miui_MIMIX3_V12.0.4.0.QEECNXM_c91b8f57de_10.0.zip

How to Flash Fastboot on Mi MIX 3 China

Please follow these steps carefully to install the V12.0.4.0.QEECNXM update safely. Ensure your device has at least 60% battery.

Ensure the bootloader of your Mi MIX 3 China is unlocked.
Download the official Mi Flash Tool and extract it on your PC.
Boot your device into Fastboot mode by holding the Volume Down + Power buttons simultaneously.
Connect the smartphone to your PC using a reliable USB cable.
Extract the downloaded V12.0.4.0.QEECNXM firmware archive (.tgz file).
Open Mi Flash Tool, select the extracted firmware folder, and click 'Flash'.

Back to Mi MIX 3 China

Download Mi MIX 3 China Firmware (V12.0.4.0.QEECNXM)