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Everything we know so far about Xiaomi's upcoming HyperOS 4 (expected summer 2026)

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Xiaomi is preparing for one of the biggest changes to its software in recent years, with the upcoming HyperOS 4


The upcoming Xiaomi's HyperOS 4 promises to leave it behind him forever MIUI's past and open a new chapter in the company's ecosystem.

Let's look at everything we know so far.


HyperOS 4: When is it expected to be released?

According to the information so far, HyperOS 4 is expected to be presented in August 2026, with possible beta versions appearing a little earlier in the summer. (cashify)

The mood will done gradually:
  • First on flagship devices (e.g. new Xiaomi 17 series)
  • Then on more Xiaomi, Redmi and other models POCO

The end of MIUI: A new “Zero-Legacy” era

The biggest change that HyperOS 4 brings is the complete removal of old MIUI code.

This means:
  • No dependency on legacy systems
  • Cleaner and more modern architecture
  • Greater stability and speed

The HyperOS 4 is already characterized as the first Xiaomi's “Zero-Legacy” operating system, which is a historic transition for the company. Source (cashify)


New technology base: Flutter & Rust

Xiaomi seems to be investing in new development technologies:

  • Flutter for smoother and more modern UIs
  • Peace for greater safety and performance
  • New modular architecture for easy updates

This change means:
✔️ Faster apps
✔️ Reduced bugs
✔️ Better resource management

Source (Gizmochina)


Performance & Stability

HyperOS 4 is expected to be the most stable version Xiaomi has created to dateSource (Huawei Central)

Key improvements include:
  • Faster boot and app launching
  • Improved RAM management
  • Lower energy consumption
  • Better overall user experience

AI and smart features

Although not all details have been revealed, HyperOS 4 is expected to incorporate more AI capabilities:

  • Smart system management
  • App usage predictions
  • Battery optimization with AI
  • Improved camera features

Xiaomi seems to be investing heavily in the AI ​​era, following the general market trend.


Security & Privacy

The new system will bring:

  • Updated security patches
  • Stricter permissions
  • Better data protection

Xiaomi now places special emphasis on security, especially after the transition to a more independent software ecosystem.


Which devices will receive it?

Although there is no official list, the first devices expected to receive it are:

  • New flagship models (e.g. Xiaomi 17 series)
  • Recently Redmi and POCO high-end models

⚠️ Important: Older devices may not be compatible, due to the removal of legacy support. Source (Cashkr)


HyperOS 4 and Android 17

Most information indicates that HyperOS 4 will be based on Android 17, bringing all the new Google features along with Xiaomi's improvements. Source (91mobilehub)


The future of the Xiaomi ecosystem

HyperOS isn't just about smartphones. It's part of Xiaomi's strategy for a fully integrated ecosystem:

  • Smartphones
  • Tablets
  • Smart home devices
  • BREAKERS

The move to HyperOS 4 will further strengthen this interface.


Conclusion

The HyperOS 4 it's not just another upgrade — it's a hard reboot for Xiaomi software.

With:
  • complete removal of MIUI
  • new technological base
  • improved performance
  • and AI integration

Xiaomi clearly shows that it is aiming for a more mature and independent operating system.

If all of the above is confirmed, the summer of 2026 will be decisive for the future of HyperOS.


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Xiaomi Miui Hellas
The official community of Xiaomi, MIUI and HyperOS in Greece.