HyperOS 4 Expected to Launch in August 2026 With Faster Performance and Smarter AI Features

Xiaomi is reportedly preparing to introduce its next major software update, HyperOS 4, in August 2026. According to reports from industry sources in China, the update is expected to arrive alongside the upcoming Xiaomi 18 series or the Mix Fold 5. A global rollout is likely to begin in October, following Xiaomi’s usual release schedule.

HyperOS 4 Expected to Launch in August 2026 With Faster Performance and Smarter AI Features

A Completely Rebuilt Operating System

HyperOS 4 will be Xiaomi’s first operating system built from the ground up using Rust and Flutter. This marks the end of the remaining MIUI legacy code, giving the company a fresh software foundation.

Rust is designed to improve security and stability by reducing common software bugs, while Flutter allows Xiaomi to create a consistent user interface across smartphones, tablets, PCs, TVs, and other smart devices.

Better Speed and Efficiency

Unlike many software announcements that only promise better performance, early reports have shared specific improvement figures for HyperOS 4. According to Xiaomi’s internal testing, users can expect:

• Up to 40% smoother overall system performance.
• Around 35% better background app retention.
• 25% to 30% lower idle memory usage.
• Only 5% performance loss after one year of regular use.

These numbers come from Xiaomi’s internal tests and will need to be verified through independent reviews once the update becomes available.

Improved Cross-Device Experience

HyperOS 4 will also make it easier for users to switch between Xiaomi devices. File transfer speeds between compatible devices could be up to 300% faster than before.

Another major improvement is app continuity, allowing users to continue their work from a smartphone to a tablet or PC without restarting the app or losing progress. Xiaomi introduced similar features in HyperOS 3, but the new version is expected to deliver a more reliable experience.

Offline AI Features

Artificial intelligence will play a bigger role in HyperOS 4. The update is expected to include on-device AI tools such as Mimo for document summarization and language translation, along with Miclaw for AI-powered assistance.

Since these AI features run directly on the device instead of relying on cloud servers, they offer better privacy, quicker responses, and can even work without an internet connection.

Which Devices Will Receive HyperOS 4 First?

The first beta version of HyperOS 4 will be available in China for Xiaomi 17 series and Redmi K90 users. The stable version is likely to debut with the Xiaomi 18 and Xiaomi 18 Pro Max in September before expanding to other supported devices, including the Xiaomi 15, Xiaomi 14, and Redmi K90 lineup.

Global users can expect the update a few weeks after the China rollout, likely beginning in October.

Final Thoughts

HyperOS 4 appears to be one of Xiaomi’s biggest software updates in recent years. With a completely rebuilt architecture, noticeable performance improvements, enhanced cross-device connectivity, and privacy-focused offline AI features, the update could offer a significantly better experience for Xiaomi users. While the reported performance figures still need real-world testing, HyperOS 4 is shaping up to be an important step forward for the company’s software ecosystem.