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Xiaomi has started rolling out the stable version of HyperOS 4 in China. The update follows a couple of months of beta testing, and many users with eligible phones are already getting the official update notification.
Among the devices receiving the update are the Xiaomi 17 series except the Xiaomi 17 Max, 17T and 17T Pro, Redmi K100 Pro / Max, Redmi K90 / Pro Max, and Xiaomi Pad 8 / Pro.
Below are the images with rollout dates for other Xiaomi and Redmi devices:
What changed under the hood
As for changes, Xiaomi added two new technologies to its in-house Xiaomi HyperCore kernel: load calculation and memory preloading. It also built a new, separate runtime environment for apps on HyperCore OS, which lets the system schedule resources more efficiently from the lowest level up. Xiaomi first introduced the HyperCore kernel with HyperOS 2, and this update builds on it.
Xiaomi opened the HyperOS 4 beta in China on August 14, and the global beta followed in September. Many Xiaomi fans who joined the early recruitment have already shared their impressions online.
The most common first impression is speed. Testers say page transitions feel quick and responsive, and the occasional lag from the previous version is now hard to notice.
The interface looks different too. Xiaomi removed many extra decorative animations and busy elements, so the system looks cleaner and simpler than before. Users say that makes it easier on the eyes after long sessions with the phone.
When the global version arrives
The stable rollout is limited to China for now. Xiaomi has not announced a stable schedule for global users, though it has already widened the global beta to the Xiaomi 15, Xiaomi 15 Ultra, Xiaomi 17T, and Xiaomi 17T Pro in a second batch. We will update this story when a global schedule appears.
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