The open beta of Nothing OS 4.0, based on Android 16, It's now available for the models Nothing Phone (3a) and Phone (3a) Pro. This release allows users to experience the latest version of Nothing OS prior to its official deployment, facilitating the collection of feedback essential for perfecting the final version of the operating system.

What's New in Nothing OS 4.0 in the Series (3a)
The update introduces three new features that aim to refine the user interface, enhance photography, and improve the lock screen experience:
- Nothing's new icon design: A renewed visual language is presented that is distinguished by being lighter and more refined, while maintaining Nothing's unique identity.

- “Stretch” camera preset: Developed in collaboration with photographer Jordan Hemingway, this preset is designed to enrich images with deeper shadows and extended light, providing a distinctive look cinematic directly from the Camera app.
- Lock Glimpse: This feature adds new, high-quality wallpapers to the lock screen, selected according to the user's preferences in nine different categories. Additionally, Lock Glimpse can display time updates and relevant content to optimize the user experience. The feature comes disabled by default Its activation, preferences, and access management (for example, by swiping left) remain under the user's control. With privacy in mind, the feature will soon allow users to use their own photos on the lock screen.

Important note: All the others The features of Nothing OS 4.0 are identical to those already included in previous betas. that were released for other devices.
Installation guide and essential precautions
Before proceeding with the update, it is essential that users take security precautions, given the experimental nature of the software beta.
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Warnings and prerequisites
- A backup of all data (photographs, call logs, contacts, etc.) before starting the update.
- The device could experience a temporary increase in temperature and energy consumption after the installation, which will normalize shortly afterwards.
- Since it is a software Beta may cause data incompatibility and could require a factory reset for future actions or rollbacks.
Process to join the Beta
- Verify that your device is running the latest stable build. For the iPhone (3a) and iPhone (3a) Pro, the required version is: Asteroids-V3.2-251013-1406. (This can be verified in) About the phone).
- Download the APK file Download the Beta version and install it from the downloads folder.
- Access Settings > System > Nothing Beta Hub.
- Press “Join Beta” to register for the program.
- After successful registration, press “Go to Update” to start the update. (If the redirection fails, you should check manually in Settings > System > System updates).

The deadline to join the Open Beta OTA terminals is [date]. November 7.
Sending Feedback: Participants are encouraged to share their feedback on the experience through Settings > System > Feedback or through active participation in the official Nothing community forum.
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Process to revert to the stable version (Rollback): If it is necessary to revert to Nothing OS 3.2, The package must be downloaded rollback specific for each model (Phone (3a) or Phone (3a) Pro), and then follow these steps:
- Gonna Settings > System > Nothing Beta Hub.
- Press Import file and select the downloaded package.
- Follow the on-screen instructions.
- Warning: The process of rollback perform a factory reset and It will delete all data Due to Google's policies, it is crucial to back up your data before starting this process.




Jose Manuel
Open to junk like Lock Glimpse… The bloatware festival begins… And that's not even mentioning that the Playground widgets consume an insane amount of memory… It's the beginning of losing their brand identity… I hope they remove that from the final version or I'll switch to an iPhone… And that's a shame…
ruudhesp
Hi! I'll be publishing an article about this tomorrow. I understand and respect what you're saying, but I also think the issue is being blown out of proportion. That said, Nothing isn't going to betray its principles.
José
Notting started very well, it should have continued in the same vein as the Notting phone 1 and the Notting phone 3a Pro, with its design, etc… This is a personal opinion, and it shouldn't lose the identity of a little prince.
The Notting 3 was generally disappointing in some aspects, etc… It's not a bad smartphone, but it wasn't very well received and received some criticism overall.