What is Xiaomi HyperOS?

HyperOS is Xiaomi’s new unified operating system—replacing MIUI—that runs across phones, tablets, TVs, wearables, and IoT devices. It’s built on Android AOSP with Xiaomi’s own Vela microkernel for better performance, security, and cross‑device integration.

How do I update to HyperOS?

On a supported device, go to Settings > About phone > System update . Tap the three‑dot menu, choose Update package, and follow the prompts.

Xiaomi HyperOS vs. MIUI

Performance: HyperOS is lighter and more memory‑efficient. UI & Customization: New design, fresh animations, and widget options. Cross‑Device: Supports better integration across Xiaomi ecosystem. Privacy: Enhanced permission controls and sandboxing.

Does Xiaomi HyperOS have ads?

HyperOS comes mostly ad-free in system apps, though some pre-installed third-party apps may show ads which can be disabled.

How do I install HyperOS on my device?

Check eligibility: Ensure your phone is on Xiaomi’s supported list. Backup data: Use Mi Cloud or backup manually. Download ROM: From Xiaomi's official website. Unlock bootloader: Via Mi Unlock Tool. Flash: Use fastboot commands.

Download V12.5.1.0.RFAMIXM firmware for Mi 9, cepheus_global, Stable,

Note that this page shows the V12.5.1.0.RFAMIXM update for Mi 9, cepheus_global only. If you're looking for other updates for this same codename, please check here.

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

Installation Method: Recovery

Codename: cepheus_global

Branch: Stable

Version: V12.5.1.0.RFAMIXM

Android: 11.0

Region: Global

Update Date: 2021-06-17

Size: 2.6 GB

MD5: 54d23f235e3c9f605f37dcde3b69407c

Download Link: Download

Mi 9

Installation Method: Fastboot

Codename: cepheus_global

Branch: Stable

Version: V12.5.1.0.RFAMIXM

Android: 11.0

Region: Global

Update Date: 2021-06-11

Size: 3.2 GB

MD5: 13a7fa1fb477f37ef41d0435292c442d

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.