How do I install V12.0.4.0.QJGMIXM on POCO X3?

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.QJGMIXM 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.QJGMIXM is the version shown. Check FirmwareMirror regularly for newer versions of POCO X3 firmware.

Download V12.0.4.0.QJGMIXM for POCO X3

What's New

[System]Fix: Noise could be heard when the screen was turned off in some casesUpdated Android Security Patch to October 2020. Increased system security.

Android Version

12.0

File Size

206.04 MB

Release Date

Oct 30, 2020

Flash Method

Recovery

Download ROM

Available

Download Now

File Size: 0.2 GB

Mirror Downloads (11)

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

Verification & Details

MD5 Checksum:

642635657ed2f58f8e656934df539ada

Package Name:

miui_SURYAGlobal_V12.0.4.0.QJGMIXM_642635657e_10.0.zip

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