HyperOS 4 Reveals Foldable Tease
Xiaomi HyperOS 4 Beta Rolls Out, Boosting AI and Performance, Hints at Foldable
Key Points
HyperOS 4's HyperCore introduces precise workload calculation, reducing total instruction count by 14.4% versus HyperOS 3 to cut wasted CPU/memory/battery work on everyday actions.
AI memory preloading uses AI prediction to proactively organize memory and preload RAM for likely next tasks, speeding up app launches and interactions.
HyperOS 4 introduces a new runtime that optimizes both the core system and application layers—especially desktop and commonly used apps—to improve animation performance and overall responsiveness.
The update brings Glass Effect UI and Android 17 as the base, with an initial beta wave including the Xiaomi Pad 7S Pro 12.5 and a three-batch rollout schedule.
Xiaomi has teased an unreleased wide foldable phone, showcased within HyperOS 4’s interface, signaling multi-format display support.
Xiaomi has officially launched HyperOS 4, its biggest software update in years, with beta testing beginning August 14, 2026 in China. The update is built on Android 17 and promises faster performance, smarter AI, and a fresh new look, according to NotebookCheck and AndroidPure.
The rollout also came with a surprise: Xiaomi teased an unreleased wide foldable phone shown directly inside HyperOS 4's interface, hinting at what the company is building next, The Tech Outlook reported.
HyperCore Engine Cuts CPU Waste by 14.4%
The biggest under-the-hood change is HyperOS 4's new HyperCore engine. It calculates exactly how much work the processor needs for any given task. This cuts total instruction count by 14.4% compared to HyperOS 3, according to XimiTime. Less wasted work means faster responses and better battery life.
HyperOS 4 also adds AI memory preloading. The system predicts which apps you will open next and loads them into RAM in advance. The result is quicker app launches and smoother everyday use. A new HyperOS runtime further improves animation smoothness across the desktop and core apps, The Tech Outlook noted.
Super XiaoAi 2.0 Brings On-Device AI to Daily Tasks
HyperOS 4 introduces Super XiaoAi 2.0, powered by Xiaomi's own MiMo large language model. The AI assistant can now plan multi-step tasks, generate content, and work across multiple apps and devices at once, according to XimiTime. This puts Xiaomi's AI on a more direct path to compete with Google and Apple.
The update also brings a redesigned look called the "Soft Light Glass" or Glass Effect UI. The interface uses softer tones and translucent panels. Combined with the Android 17 base, it marks one of the largest visual overhauls HyperOS has seen since its launch, Head Topics reported.
Three-Batch Beta Rollout Starts With Xiaomi Pad 7S Pro
Xiaomi is rolling out the HyperOS 4 beta in three waves. The first batch began August 14 and includes the Xiaomi 17 series, the Redmi K90 pair, and two tablets — including the Xiaomi Pad 7S Pro 12.5, according to AndroidPure. Later batches will bring more devices into the fold, though specific timelines were not announced.
NotebookCheck noted that eight devices are confirmed for the first wave. Some features are currently China-only, with regional variations expected as the rollout expands. Company executive Lu Weibing said there will be no formal launch event. He added that feedback from users will shape further improvements.
Foldable Phone Teased Inside HyperOS 4 Interface
Hidden inside HyperOS 4's promotional materials is something that caught many eyes: a wide foldable phone that Xiaomi has not yet announced. The device appeared in the OS interface, signaling that HyperOS 4 is built with multi-format display support in mind, The Tech Outlook reported.
Xiaomi already sells folding phones, but a wide foldable would put it directly against Samsung's Galaxy Z Fold lineup. No release date or official name has been shared. The teaser suggests a launch could be coming alongside or after the full HyperOS 4 rollout, according to XimiTime.
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