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.

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 Redmi 9 China ROM - V12.0.4.0.QJCCNXM (Global)

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

How to Flash Fastboot on Redmi 9 China

Please follow these steps carefully to install the V12.0.4.0.QJCCNXM update safely. Ensure your device has at least 60% battery.

Ensure the bootloader of your Redmi 9 China is unlocked.
Download the official Mi Flash Tool and extract it on your PC.
Boot your device into Fastboot mode by holding the Volume Down + Power buttons simultaneously.
Connect the smartphone to your PC using a reliable USB cable.
Extract the downloaded V12.0.4.0.QJCCNXM firmware archive (.tgz file).
Open Mi Flash Tool, select the extracted firmware folder, and click 'Flash'.

Back to Redmi 9 China

Download Redmi 9 China Firmware (V12.0.4.0.QJCCNXM)