Download V12.5.6.0.RFACNXM firmware for Mi 9, cepheus, Stable,

Note that this page shows the V12.5.6.0.RFACNXM update for Mi 9, cepheus only. If you're looking for other updates for this same codename, please check here.

Device Image

Xiaomi Mi 9 Android smartphone. Announced Feb 2019. Features 6.39″ display, Snapdragon 855 chipset, 3300 mAh battery, 256 GB storage, 8 GB RAM, Corning Gorilla Glass 6.

Mi 9

Codename: cepheus

Branch: Stable

Version: V12.5.6.0.RFACNXM

Android: 11.0

Region: China

Update Date: 2021-12-01

Size: 2.8 GB

MD5: 5d1239a6d150a95b9f27f9e5969b5ebd

Download Link: Download

Mi 9

Codename: cepheus

Branch: Stable

Version: V12.5.6.0.RFACNXM

Android: 11.0

Region: China

Update Date: 2021-11-25

Size: 4.3 GB

MD5: 8d261e680416878d2ce856a702ae5340

Download Link: Download

Frequently Asked Questions

Latest HyperOS, MIUI and Android versions

We daily check the release of new HyperOS & MIUI updates and available Android versions for Xiaomi, Mi, Redmi, and POCO smartphones, and we add them to a chart for your convenience.

Android 14

Android 14 Update

HyperOS 1

HyperOS 1 Update

Android 13

Android 13 Update

MIUI 14

MIUI 14 Update

Android 12

Android 12 Update

MIUI 13

MIUI 13 Update

Android 11

Android 11 Update

MIUI 12.5

MIUI 12.5 Update

Android 10

Android 10 Update

Frequently Asked Questions

What is UPMIUI.COM?

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UPMIUI.COM is a website dedicated to providing the latest MIUI and HyperOS firmware updates for Xiaomi and Redmi devices. Users can download official firmware packages to update or restore their devices.

What is MIUI and HyperOS?

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How do I download and install MIUI or HyperOS firmware?

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How to rollback from HyperOS to MIUI?

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What are the differences between Stable and Developer ROMs?

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Is it safe to install firmware from UPMIUI.COM?

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