How do I install V12.0.4.0.QFACNXM on Mi 9 China?

Download the ROM file, verify the MD5 checksum, unlock your bootloader, and use Mi Unlock Tool or Fastboot to flash the firmware. Ensure your device is fully charged before proceeding.

Is V12.0.4.0.QFACNXM 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.

What should I do before flashing this firmware?

1. Backup all your data, 2. Charge your device to at least 80%, 3. Verify the MD5 checksum, 4. Download from FirmwareMirror, 5. Follow official flashing instructions carefully.

Is this firmware the latest version?

Yes, V12.0.4.0.QFACNXM is the version shown. Check FirmwareMirror regularly for newer versions of Mi 9 China firmware.

Download V12.0.4.0.QFACNXM for Mi 9 China

What's New

[System]Updated Android Security Patch to September 2020. Increased system security.

Android Version

10.0

File Size

2.46 GB

Release Date

Sep 29, 2020

Flash Method

Fastboot

Download ROM

Available

Download Now

File Size: 2.46 GB

Mirror Downloads (10)

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

Verification & Details

MD5 Checksum:

7a7f45fb4aabddce124c49dcd9533e42

Package Name:

miui_CEPHEUS_V12.0.4.0.QFACNXM_7a7f45fb4a_10.0.zip

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