The Nothing Phone 3a series, including the Phone 3a and 3a Pro, is officially receiving the Android 16-based Nothing OS 4.0 Open Beta update. This major release introduces enhanced personalization options, smoother animations, and improved system performance.
If you’re a Nothing user eager to explore the latest AI-driven improvements and user interface refinements, here’s a detailed breakdown of what’s new and how you can install the update.

1. Overview: Android 16 Meets Nothing OS 4.0
The Nothing OS 4.0 Beta is built on Android 16, marking the brand’s next big step in software evolution.
It focuses on clean performance, security upgrades, and user customization, staying true to Nothing’s minimalistic design philosophy.
Key Highlights:
| Feature | Description |
|---|---|
| Base Version | Android 16 |
| OS Version | Nothing OS 4.0 (Open Beta) |
| Eligible Devices | Nothing Phone (3a) and Phone (3a Pro) |
| Update Type | Open Beta |
| Release Type | Global Rollout (Starting October 2025) |
2. Nothing OS 4.0 – Top New Features
The Nothing OS 4.0 brings several improvements inspired by Android 16, offering better personalization and AI-powered optimizations.
Key New Features:
- Enhanced Quick Settings UI – Redesigned layout for easier access and visual appeal.
- Improved Camera Integration – Faster shutter response and upgraded AI image processing.
- Performance Boost – Optimized CPU and GPU scheduling for smoother multitasking.
- App Locker & Privacy Dashboard – Better control over permissions and data security.
- AI Wallpaper & Dynamic Icons – Adaptive theming powered by Android 16’s generative design.
- Pre-installed Apps Optimization – Lighter system footprint for improved efficiency.
These changes reflect Nothing’s focus on merging minimal design with next-gen performance and personalization.
3. Nothing OS 4.0 Beta Installation Guide
Installing the Nothing OS 4.0 Beta is simple, but users should note it’s a beta release, meaning minor bugs or performance inconsistencies may occur.
How to Install:
- Visit the Nothing Community page or the official Nothing website.
- Log in using your Nothing account.
- Register your device under the Nothing Beta Program.
- Download and install the Nothing OS 4.0 Beta package via OTA (Over-the-Air).
- Restart your device and enjoy the new update.
Note:
Ensure your phone battery is above 50% and back up your important data before installation.
Read Also: OnePlus OxygenOS 16 Launch Date in India: Eligible Devices, Features,
4. Performance and Stability Improvements
Initial testers have reported that Nothing OS 4.0 feels significantly faster and more stable.
The update enhances RAM management, reduces app loading times, and introduces smarter AI resource allocation, resulting in longer battery life and improved gaming performance.
Performance Enhancements Summary
| Improvement Area | Change |
|---|---|
| Battery Efficiency | Up to 10% longer backup |
| System Stability | Reduced crashes and frame drops |
| App Launch Speed | 15% faster app load times |
| AI Optimization | Smart RAM & CPU balancing |
5. What’s Next for Nothing Users
After the open beta testing phase, the stable Android 16-based Nothing OS 4.0 update will begin rolling out globally by late November 2025.
Users participating in the beta can provide feedback directly through the Nothing Community app to help improve the final build.
FAQs About Nothing OS 4.0 Beta Update
1. Which devices are eligible for the Nothing OS 4.0 Beta update?
Currently, the Nothing Phone 3a and Nothing Phone 3a Pro are eligible for the beta rollout.
2. Is this a stable update?
No, it’s an open beta version, which may include minor bugs. The stable release is expected in late 2025.
3. Can I downgrade if I face issues?
Yes, users can manually reinstall Nothing OS 3.x from the official Nothing website.
4. What version of Android does Nothing OS 4.0 use?
Nothing OS 4.0 is based on Android 16.
5. How can I join the beta program?
Register through the Nothing Community app or the official website’s Beta Program section.
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Disclaimer:
The information in this article is based on official announcements and early reports. Specifications and timelines may vary as the rollout progresses. Readers are advised to verify details through official channels before installing beta updates.
Sources:
Hi, I’m Simran Shah, a graphic designer and digital content creator with 4+ years of experience. I run two YouTube channels focused on AI, tech, mobiles, and automobiles — topics I’m truly passionate about.
My love for deep research started when I used to spend hours finding the best gadgets or information before making any decision. That’s when I realized I could help others save time by sharing my findings — both through well-researched content and visually compelling designs.
Now, through blogs, videos, and graphics, I do the research so you don’t have to — using tools like ChatGPT to make content clear, helpful, and time-saving.
