How do I install OS3.0.4.0.WNJCNXM on Xiaomi Civi 4 Pro 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 OS3.0.4.0.WNJCNXM 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, OS3.0.4.0.WNJCNXM is the version shown. Check FirmwareMirror regularly for newer versions of Xiaomi Civi 4 Pro China firmware.

Xiaomi Civi 4 Pro China

Name: OS3.0.4.0.WNJCNXM for Xiaomi Civi 4 Pro China
Availability: InStock
Author: Xiaomi

Brand Xiaomi

Codename chenfeng

Version OS3.0.4.0.WNJCNXM

Region Global

Branch Stable

What's New

[System]Optimization: System stabilityUpdated the security patch to November 2025. Increased system security.

Android Version

12.0

File Size

7.2 GB

Release Date

Dec 25, 2025

Flash Method

Recovery

Download ROM

Available

Download Now

File Size: 7.2 GB

Verification & Details

MD5 Checksum:

c41f082e48ea70947007fcb9feb88abe

Package Name:

chenfeng-ota_full-OS3.0.4.0.WNJCNXM-user-16.0-c41f082e48.zip

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