Xiaomi HyperOS 3.1 Stable Update Rolls Out for Xiaomi 15 Series and MIX Flip 2

Xiaomi has officially begun the rollout of its highly anticipated Xiaomi HyperOS 3.1 stable update for its latest flagship lineup in China. After a rigorous beta testing phase that started in January, this update brings a suite of aesthetic refinements and deep system-level optimizations designed to maximize the performance of the Snapdragon 8 Elite chipset. While currently exclusive to the Chinese market, these builds provide a definitive look at the features global users can expect in the coming months.

Core Enhancements: Rebased Apps and System Fluidity

The Xiaomi HyperOS 3.1 update is centered around a “lightweight system” philosophy. Xiaomi engineers have successfully rebased and rewritten several core system applications, stripping away legacy code to reduce the overall system footprint. This technical overhaul results in faster app launch times and improved thermal efficiency during multitasking.

Key feature highlights include:

• iOS-Inspired Recent Apps: A revamped multitasking interface that adopts a fluid, horizontal stack similar to iOS, offering smoother transitions and better visual clarity when switching between active tasks.

• Enhanced Hyper Island: The proprietary Hyper Island feature has received a major functional boost. It now features native Android Live Notifications integration, allowing real-time data—such as delivery tracking, music playback, or timer countdowns—to persist at the top of the display in a dynamic, interactive bubble.

• Optimized HyperConnect: Improvements to the Xiaomi HyperConnect ecosystem ensure more stable and lower-latency communication between the Xiaomi 15 series and other devices like the Xiaomi Pad 7 or Xiaomi Band wearables.

Affected Devices and Software Versions

The stable update is currently being deployed via OTA (Over-the-Air) for the following devices in the Chinese market. These builds are based on the latest version of Android and represent the most stable iteration of the OS to date.

• Xiaomi 15: OS3.0.301.0.WOCCNXM

• Xiaomi 15 Pro: OS3.0.301.0.WOBCNXM

• Xiaomi 15S Pro: OS3.0.301.0.WODCNXM

• Xiaomi 15 Ultra: OS3.0.301.0.WOACNXM

• Xiaomi MIX Flip 2: OS3.0.301.0.WOHCNXM

Market Impact and Performance Gains

The transition from beta to stable signifies that Xiaomi HyperOS 3.1 is ready for daily use, addressing the minor bugs reported by early testers in January. By integrating Android’s native Live Notifications into the Hyper Island, Xiaomi is bridging the gap between third-party app support and system-level aesthetics.

The “lightweight” nature of this build is particularly beneficial for the Xiaomi 15 Ultra and MIX Flip 2, where resource management is critical for sustaining peak performance during heavy camera use or while utilizing the external display on the foldable. For users who prioritize a clean, responsive UI, this update marks one of the most significant refinements since the original debut of the HyperOS architecture.