The global rollout of Xiaomi’s next-generation operating system, HyperOS 3, has now reached its latest flagship, the Xiaomi 15, just after launching with the Xiaomi 15T series. This major update, based on Android 16, reimagines the mobile experience by bringing a revamped user interface, exciting artificial intelligence (AI) upgrades, better performance, and much smoother animations.
Extensive Changes HyperOS 3 Brings to the Xiaomi 15
The stable HyperOS 3 update for Xiaomi 15 users is tagged with firmware version 3.0.4.0.WOCEUXM and has a large download size of 8.2 GB. While this size is expected to be smaller for beta users, it is recommended that you ensure your device has sufficient storage and battery capacity before starting the update.

The HyperOS 3 changelog for the global Xiaomi 15, shared by Xiaomi Time, reveals significant system-wide improvements:
- Overall Smoothness: Smoother and generally more stable system performance.
- Optimizations:
- Optimized compiler instructions for better responsiveness and power savings.
- Improved memory allocation and recycling for more free memory.
- Optimized frequency scheduling for increased system efficiency and energy savings.
- Short video playback for lower power consumption for longer battery life.
- New windowing mechanism reduces graphics processing load.
- Improved animations in over 100 system scenarios for smoother motion.
 
- Redesigned UI and Lock Screen
- Notifications: Unify the Notification Spotlight and device notifications for faster updates.
- Interface: A new interface design that shows more information at a glance.
- Multitasking: Pull-down windows for easier multitasking.
- Design Details: A more compact, system-wide design with sharper Home screen icons, balanced grid spacing, a simplified status bar for easier reading, and unified rounded corners.
- Lock Screen: A new Lock Screen with a large clock for a sense of depth and an all-in-one editor that lets you edit Home and Lock screen wallpapers simultaneously. Hyper Island: Xiaomi now calls its familiar Dynamic Island feature Hyper Island.
 
- Deep Integration with Apple Devices
- HyperOS 3 offers a surprising level of cross-compatibility with the Apple ecosystem:
- iPhone Integration: Access to Xiaomi Cloud Gallery, one-tap hotspot connection, and device location tracking.
- iPad Integration: Mirror your phone’s screen on your iPad using the Home Screen+ feature.
- Mac Connectivity: One-tap hotspot connection and multi-app windowing.
- Cross-Device Unlock: Unlock your Xiaomi phone using facial recognition on your iPhone, iPad, Mac, or Xiaomi Electric Vehicle (EV).
- Other iOS-Like Features: iPhone-like call forwarding, SMS syncing, and MacBook screen sharing. Proximity-based file sharing, similar to AirDrop.
 
- Advanced Artificial Intelligence (AI) and Security
- AI Capabilities: AI-powered features like note-taking, voice translation, and intelligent noise reduction.
- Gallery: AI-powered search and AI photo recognition in the Gallery app.
- AI Dynamic Wallpapers: AI Dynamic Wallpapers, which instantly transform photos into animated wallpapers, are now available globally.
- Security: Post-quantum encryption and a revamped privacy and password interface for enhanced protection.
- Private Access: A layer that allows apps to access only user-authorized data.
 
Since the update is being released in stages, some Xiaomi 15 users may receive the update sooner. If you haven’t received the notification, you can manually check for the update by going to Settings > About Phone > System Update.

 
           
	 
		 
		 
		 
		 
		 
			 
			 
			 
			 
			
