The global rollout of the HyperOS 3 update began last week, with the Xiaomi 15T series getting the first bite, and it’s now expanding to more models. The Xiaomi 15 is the latest to receive the Android 16-based update, which brings a redesigned user interface, exciting new features, AI upgrades, improved performance, and smoother animations.

The stable HyperOS 3 update for the global version of Xiaomi 15 is tagged with the firmware version 3.0.4.0.WOCEUXM and has a massive download size of 8.2GB. The download size should be significantly smaller for beta users. Regardless, you must ensure that the device has sufficient storage and battery before upgrading to HyperOS 3.

Here’s the complete HyperOS 3 changelog for global Xiaomi 15, as shared by Xiaomi Time:

• Smoother and more stable overall performance
• Optimization: Optimized compiler instructions for better responsiveness and power conservation
• Optimization: Enhanced memory allocation and recycling for more free memory
• Optimization: Optimized frequency scheduling enhances system efficiency and saves energy
• Optimization: More power-efficient short-video playback for longer battery life
• Optimization: New window-rendering mechanism reduces graphics-processing load
• Optimization: Smoother animations in 100+ system scenarios for more flowing motion
• Combines Notification spotlight and device notifications for faster updates
• New interface that shows more information at a glance
• Seamless transitions and interactive animations
• Pull down to reveal small windows for multitasking ease
• More compact, detailed design throughout the system
• Sharper Home screen icons and well-balanced grid spacing
• Simplified status bar for easier reading
• Unified rounded corners and optimized control layout
• New large-clock Lock screen to provide a sense of depth
• All-in-one editor for editing Home and Lock screen wallpapers simultaneously
• Deep cross-ecosystem compatibility with Apple devices
• iPhone integration: Access to Xiaomi Cloud Gallery, one-tap hotspot connection, and location of devices
• iPad integration: Mirroring of phone screens using the Home screen+ feature
• Mac connectivity: One-tap hotspot and multi-app windowing
• Cross-device unlocking: Unlock Xiaomi phone using iPhone, iPad, Mac, or Xiaomi EV face recognition
• Enhanced protection with post-quantum encryption
• Revised privacy and password UI
• Private Access: Apps only see user-authorized dataReimagined battery & signal indicators and new icons
• Dynamic Island, now called Hyper Island by Xiaomi
• Subtle UI tweaks throughout menus and controls
• iPhone-esque call forwarding, SMS sync, and MacBook screen sharing
• AirDrop-esque proximity-based file sharing
• More animations, blur effects, and more fluid graphics
• Up to 30% performance gain
• AI-powered features: Note taking, voice translation, smart noise reduction
• AI search and AI photo recognition in Gallery
• AI Dynamic Wallpapers now global—convert photos into moving wallpapers instantly

As the rollout expands in stages, some Xiaomi 15 users may receive the update earlier than others. If you haven’t received the update notification yet, navigate to Settings > About Phone > System Update to manually check for the latest updates.

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Also read:
1. Here’s when the HyperOS 3 update is coming to your device
2. HyperOS 3’s Hyper Island unlocked for all Redmi and Poco phones — but there’s still a catch
2. Here are the five biggest upgrades to HyperOS 3

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