How do I install V12.5.7.0.RKMCNXM on MIX 4 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 V12.5.7.0.RKMCNXM 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, V12.5.7.0.RKMCNXM is the version shown. Check FirmwareMirror regularly for newer versions of MIX 4 China firmware.

Download V12.5.7.0.RKMCNXM for MIX 4 China

What's New

[System]Optimization: Updated Android Security Patch to August 2021. Increased system security.

Android Version

11.0

File Size

4.2 GB

Release Date

Sep 01, 2021

Flash Method

Fastboot

Download ROM

Available

Download Now

File Size: 4.2 GB

Mirror Downloads (11)

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

Verification & Details

MD5 Checksum:

8f32b2c09f4a9ea722fa33bf6646e165

Package Name:

miui_ODIN_V12.5.7.0.RKMCNXM_8f32b2c09f_11.0.zip

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