Xiaomi has started the first official rollout of HyperOS 4, its latest custom operating system. The update targets flagship Xiaomi 17 series and REDMI K100/K90 series phones, along with Xiaomi Pad 8 tablets.
Devices Receiving HyperOS 4 Officially
The initial batch covers premium models including the Xiaomi 17 Ultra and its Leica edition, REDMI K90 Pro Max and its Champion edition, and Xiaomi Pad 8 series. Alongside phones and tablets, several Xiaomi and REDMI smart TV models from both 2025 and 2026 series are also included.
- Xiaomi 17 Ultra / Leica Edition
- REDMI K90 Pro Max / Champion Edition
- Xiaomi Pad 8 Series
- Various Xiaomi and REDMI smart TVs 2025 & 2026 series
New Features and System Improvements in HyperOS 4
HyperOS 4 introduces deep upgrades in AI functions, device collaboration, and overall system fluidity. Key highlights include integration of Super Xiao Ai 2.0 and Xiaomi’s proprietary MiMo large AI model. These power new features such as Expert Mode for advanced control and a novel “Inspiration Ball” interactive element.
The system is optimized for smoother performance, aiming to deliver a more seamless and coherent user experience described by Xiaomi as a “one-flow” dynamic.
Expanded Ecosystem and Device Coverage
In addition to flagship phones and tablets, the update extends to multiple Xiaomi and REDMI smart TV variants, including the Xiaomi TV S Pro Mini LED 2025/2026 series, REDMI Smart TV A and X series, and special editions like the REDMI Turbo Harry Potter versions.
Wearables such as the Xiaomi Watch S4 eSIM and the 41mm standard model also appear on the update list, signaling broader HyperOS 4 ecosystem support.
Availability and Update Access
The HyperOS 4 rollout has started in China. Xiaomi has not yet shared specific timelines for global or wider regional deployments.
Users can track update availability and system app versions using the MemeOS Enhancer app. Firmware downloads and regional update listings can be found at MemeOSUpdates.com.





