Nothing has rolled out the CMF Phone 2 Pro update with Nothing OS B4.0-251218-2326. The rollout will be in stages, with availability changing according to region or device. This allows for better stability and fixes issues before the complete rollout. With this update, Phone 2 Pro will be upgrading to Nothing OS 4.0 based on Android 16.

Changelog: CMF Phone 2 Pro Update
New Features
- Added an AI usage dashboard for Essential Space to automatically track large model usage and enhance privacy transparency.
Path: Settings > Intelligence toolkit > AI usage - Added support for hiding apps directly from the home screen and App drawer.
Find hidden apps via: Home screen > App drawer > Hidden icons - Added the ability to manage search scope in the App drawer to display results within specific categories.
- Added more size options for Weather, Pedometer, and Screen Time widgets.
- 2×2 size is now supported for most Quick Settings tiles.
- Pop-up view now supports two floating icons for easier switching between apps.
- System upgrade now supports app optimisation to improve startup speeds.
Path: Settings > Apps > App optimisation - Dual SIM customization: Users can now set different ringtones for each SIM.
Essential Innovations
- Introducing Playground (Alpha): Explore community-created content such as Essential Apps, Camera Presets, and EQ Profiles.
- Essential Apps (Alpha): Now open for download—experience AI-powered, community-developed apps that combine creativity and performance.
More details: https://playground.nothing.tech
Visual Enhancements
- Nothing app icons have been redesigned for a cleaner, refreshed look.
- Status bar icons received a more intuitive and minimal redesign.
- Added two new lock screen clock faces under Customisation.
- Extra Dark Mode is now available.
Settings > Display > Dark theme > Extra dark mode
Camera Enhancements
- Presets: Updated default list with new and trending styles.
- Filters: Added intensity control and new exclusive “Stretch” styles.
- Watermarks: Introduced new Nothing-brand watermarks and optional artistic frames.
This changelog is based on the community post published by Nothing.
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