How do I install V12.0.4.0.QJCCNXM on Redmi 9 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 V12.0.4.0.QJCCNXM 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.QJCCNXM is the version shown. Check FirmwareMirror regularly for newer versions of Redmi 9 China firmware.

Download V12.0.4.0.QJCCNXM for Redmi 9 China

What's New

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

Android Version

10.0

File Size

2 GB

Release Date

Sep 26, 2020

Flash Method

Fastboot

Download ROM

Available

Download Now

File Size: 2 GB

Mirror Downloads (10)

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

Verification & Details

MD5 Checksum:

c97f5caa5e347b9dfa888fed3c52e5c0

Package Name:

miui_LANCELOT_V12.0.4.0.QJCCNXM_c97f5caa5e_10.0.zip

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