How do I install KXDCNBF21.0 on MI 3 / Mi 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 KXDCNBF21.0 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, KXDCNBF21.0 is the version shown. Check FirmwareMirror regularly for newer versions of MI 3 / Mi 4 China firmware.

Download KXDCNBF21.0 for MI 3 / Mi 4 China

What's New

Bug fixes and system optimizations.

Android Version

12.0

File Size

700.5 MB

Release Date

Oct 22, 2014

Flash Method

Fastboot

Download ROM

Available

Download Now

File Size: 0.68 GB

Mirror Downloads (5)

Mirror 1 Mirror 2 Mirror 3 Mirror 4 Mirror 5

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

Verification & Details

MD5 Checksum:

d4f7bd9bcfff25f19d64d25ea8a8d978

Package Name:

cancro_images_KXDCNBF21.0_4.4_cn_d4f7bd9bcf.tgz

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