How do I install V12.0.21.0.QCRMIXM on Redmi 9C?

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 V12.0.21.0.QCRMIXM 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, V12.0.21.0.QCRMIXM is the version shown. Check FirmwareMirror regularly for newer versions of Redmi 9C firmware.

Download V12.0.21.0.QCRMIXM for Redmi 9C

What's New

[Other]Optimized system performanceImproved system security and stability

Android Version

12.0

File Size

1.8 GB

Release Date

Mar 11, 2022

Flash Method

Recovery

Download ROM

Available

Download Now

File Size: 1.8 GB

Mirror Downloads (3)

Mirror 1 Mirror 2 Mirror 3

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

Verification & Details

MD5 Checksum:

597ab4f587e74f96a5552a9f4ae5c610

Package Name:

miui_ANGELICAGlobal_V12.0.21.0.QCRMIXM_597ab4f587_10.0.zip

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