Nothing OS 4.0 Open Beta coming soon; Design and expanded features teased

Just a few days back, Nothing officially announced that Nothing OS 4.0 will be coming soon, and now in the latest teaser video, the company has shared some more details about this upcoming upgrade.
Nothing OS 4.0: New details revealed
The company has officially announced that Nothing OS 4.0 open beta testing will start soon. It will arrive with a refined design and some new features.
Life runs easier on Nothing OS 4.0
Coming soon. pic.twitter.com/CvMRrDMNxe
— Nothing (@nothing) September 17, 2025
Nothing OS 4.0 comes with redesigned elements like lock screen clocks and cleaner Quick Settings. The Dark Mode feature now includes an Extra Dark Mode option that enhances darkness for better contrast. The pop-up view feature will allow users to keep two floating app icons on the screen, which enables faster switching between tasks.
It includes fine-tuning of how applications launch and run, and camera and gallery apps will be updated with a new interface and controls. Users can have more control over AI features by checking the AI usage and AI status hints. You will also witness a more responsive Lock screen, enhanced Always-On Display, overall smoothness, and more.
According to the company, they want to create a human-centric mobile experience with the upcoming Nothing OS 4.0. In the coming days, the company is expected to officially announce the launch date of Nothing OS 4.0. Stay tuned.