Nothing Phone (3a) Series Get Nothing OS 4.0 Open Beta Update

Nothing has finally rolling out its, the Nothing OS 4.0 open beta for the Phone (3a) and Phone (3a) Pro. Earlier this month the company has already pushed the update for Phone (3), Phone (2), Phone (2a) and Phone (2a) Plus. Now (3a) series also join the beta program.

What New Coming in Nothing OS 4.0 Beta

• All new icon design – lighter, clean and more refined look and UI. With Unique Nothing style and more improvement will ocme in future.
• Lock Glimpse wallpapers – fresh high quality wallpapers across 9 categories, which also shows timely updates. Soon the users can put own photos on lockscreen.
• Other Nothing OS 4.0 features remain same as other models.

How to Join the Open Beta

Make sure device is on latest stable build before joining:

• Phone (3a): Asteroids-V3.2-251013-1406
• Phone (3a) Pro: Asteroids-V3.2-251013-1406

Important: Backup your data. Deadline to join beta is November 7, 2025.

Steps to Install Beta

1. Download and install Beta Updates Hub apk.
2. Go to Settings > System > Nothing Beta Hub.
3. Tap Join Beta to register.
4. Tap Go to Update to install. If not show, check manually in system updates.
5. After install, submit feedback via Settings > System > Feedback or Nothing forum.

Rollback to Stable Version

If you want to go back to Nothing OS 3.5, rollback option is available. But it will factory reset and erase all data.

Rollback Steps

1. Download correct rollback package for your model.
2. Go to Settings > System > Nothing Beta Hub.
3. Tap Import file and select rollback package.
4. Follow on-screen instruction to finish.

Nothing OS 4.0 beta for Phone (3a) and Phone (3a) Pro bring new design, wallpapers and refined UI. If you like testing new features, beta is good choice. If you want stability, wait for stable release.

Also Read :- Samsung Galaxy M17 5G Launched in India

Is Nothing OS 4.0 beta available for Phone (3a)?

Yes, the open beta is now available for Nothing Phone (3a) and Phone (3a) Pro models.

What is the deadline to join the Nothing OS 4.0 beta program?

The last date to join the beta program is November 7, 2025

Do I need to back up my data before installing the beta?

Yes, it is strongly recommended to back up all personal data before installing the beta update

Can I rollback to stable version after installing beta?

Yes, you can rollback to Nothing OS 3.5 using the rollback package, but it will factory reset and erase all data

How to install Nothing OS 4.0 beta on Phone (3a)?

Download the Beta Updates Hub apk, go to Settings > System > Nothing Beta Hub, join beta and then update your device