OnePlus has started rolling out the OxygenOS 15.0.0.401 update for Nord 4 users, beginning in India. The update introduces AI-powered features, system optimizations, and new tools to enhance usability and performance. Here’s a breakdown of the key changes.

AI Features for Better Usability
The update includes several new AI tools to streamline communication and writing. The AI Reply feature suggests chat responses based on context, with support for different language styles. The AI Check tool helps with grammar, spelling, punctuation, and typos, improving writing accuracy.
Another addition, AI Rewrite, allows users to modify text by extending, shortening, or editing it to suit different styles, making writing tasks easier and more flexible.
New Apps and Features
Nord 4 users gain access to new apps and features. The Clone Phone app now supports migrating live photos from iOS devices, making it simpler for new users to transition. The Voice Translate app offers live translation, text translation, and multilingual support, useful for everyday and travel purposes.
The update also lets the Photos app recognize boarding passes and add them directly to Google Wallet for quick access.
System and User Interface Updates
System updates include Live Alerts enhancements, which now show flashlight status and charging information. Floating windows can be easily switched to full-screen mode for improved multitasking.
UI updates include smoother animations for app interactions, swiping, and page transitions, along with new settings for animation fluency. Battery life, system stability, and wireless connectivity have also been improved.
Camera and Security Enhancements
The camera’s performance has been optimized for better photography. Additionally, the update includes the December 2024 Android security patch, ensuring improved device protection. Interested readers can also check out the official update changelog attached below.
OxygenOS 15.0.0.401 Official Changelog
Integrated AI features
- Introduces the AI Reply feature to recommend replies based on the chat context with support for diverse language styles, making the responses more natural.
- Introduces the AI check feature to check grammar, spelling, typos, punctuation, and more, for effortless and accurate writing.
- Introduces the AI rewrite feature to extend, shorten, expand, and edit your text and modify the style for more efficient and inspired writing.
Apps
- Now you can migrate live photos from iOS devices with Clone Phone.
- Adds the Voice Translate app that supports live translation, text translation, and multilingual translation.
- Boarding passes can now be recognized in Photos and added to Google Wallet.
Communication
- Improves the stability and expands the compatibility of wireless connections.
System
- Now you can see the status of the flashlight on Live Alerts.
- Now you can see the charging information on Live Alerts.
- Now you can drag a floating window to change it to full screen.
- Fixes a display issue with existing icons on the status bar when a Live Alerts capsule is displayed.
- Improves the layout of Spotify on Live Alerts and adds smart recommendations.
- Improves the animations when opening or exiting apps, swiping, flipping pages, and more, as well as adds animation settings for fluency.
- Improves system stability for some scenarios.
- Fixes a lag issue that might occur in some scenarios.
- Extends battery life in some scenarios.
- Integrates the December 2024 Android security patch to enhance system security.
- Fixes an issue that might affect the Gaussian blur effect of the background when using live wallpapers in Theme Store and then swiping up to Recent tasks.
- Fixes an issue where AI Voice does not disappear after ending voice calls in some app clones.
- Fixes a display issue with some icons on the Home screen.
Camera
- Improves Camera performance for a better photography experience.
Rollout Status
The update is being released in batches in India, with wider availability expected soon. Nord 4 users can look forward to practical new features and overall system enhancements with this rollout.
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