Xiaomi quickly released its first significant update for the newly released Xiaomi 15 Ultra. The device is upgraded from HyperOS 2.0 (which was pre-installed) to HyperOS 2.1 by the update, which is titled China Stable OS2.0.102.0.VOACNXM. This version optimizes a number of UI components, adds new capabilities, and improves system stability.
Key Changes and Improvements
System
New Support for one-tap clipboard clearing
Optimization Bluetooth status bar icon
Updated the security patch to January 2025. Increased system security.
Floating windows
New Beautify for video feature entry prompt in the call toolbox
Control center
New: Flashlight brightness adjustment page
New: Certain devices now support adjustable flashlight brightness
New: Notification spotlight for flashlight
Xiaomi HyperConnect
New: Support for file transfers between different devices using different Xiaomi Accounts
Optimization: Device connection pop-ups
Optimization: Animations for expanding cards in Xiaomi Smart Hub
Lock screen
New: Scenery templates
Gallery
Optimization: “On this day” feature now supports hiding content
Optimization: Day and month views are available for the start page
Optimization: Search results page can now show the progress of Gallery analysis by AI
Optimization: Search results for identification documents
Optimization: Display layouts for Gallery items
Optimization: Gallery now supports deleting and hiding items via long pressing
Optimization: Search results for time and location keywords
Fix: CAD images were mistakenly placed in Gallery
Xiaomi Hyper XiaoAi
Your smart personal assistant
New visuals with multiple ways to activate the assistant anytime you need it.
Multimodal interaction: Perceive the world around you with your camera and easily recognize objects that appear on your screen.
Improved search: Supports natural language searches for photos, videos, documents, notes, and recordings.
Smart scenes: Seamlessly integrates system features, letting you perform complex tasks with a single step. This feature also learns your patterns to offer helpful services proactively.
More features and improvements:
Optimization: Swipe right on your Lock screen when Wallpaper Carousel is on to find revamped wallpaper settings
How to Download and Install the Update
Fastboot ROM Download
For users looking to manually update their Xiaomi 15 Ultra via Fastboot, download the official HyperOS 2.1 firmware from the link below:
👉 Download Fastboot ROM – OS2.0.102.0.VOACNXM
Installation Guide
- Download the Fastboot ROM.
- Boot your device into Fastboot Mode by holding Power + Volume Down.
- Use Mi Flash Tool to flash the ROM.
Recovery ROM Download
For a less technical approach, install the Recovery ROM using your phone’s built-in updater:
👉 Download Recovery ROM – OS2.0.102.0.VOACNXM
Installation Guide
- Download the Recovery ROM.
- Open Settings > About Phone > System Update.
- Tap ‘Choose Update Package’ and select the downloaded file.
- Wait for the update to complete.
Final Thoughts
The Xiaomi 15 Ultra’s first significant upgrade offers a refined user experience with enhanced security, stronger AI integration, and additional customization choices. HyperOS 2.1 is expected to further improve Xiaomi’s flagship, whether it be through improved Gallery search, Home screen layouts, or Hyper XiaoAi’s more intelligent features.