Table of Contents
Introduction
The Nothing OS 4.0 update is the latest software upgrade from UK-based tech brand Nothing, designed specifically for its smartphone lineup in India such as the Nothing Phone (2), Phone (2a), and Phone (3a) series. Built on Android 16, this update brings a combination of AI-powered features, refined UI design, better performance, and improved customization.
India is one of the key markets for Nothing, and the rollout of OS 4.0 has been prioritized here, with updates already reaching multiple devices.
What is Nothing OS 4.0?
Nothing OS 4.0 is a custom Android skin that enhances the stock Android experience with minimal design, smooth animations, and unique features like the Glyph Interface.
Key Highlights
- Based on Android 16
- AI-powered dashboard and tools
- Improved battery and performance
- Enhanced privacy controls
- New customization features
Overview of Nothing OS 4.0 Update
| Category | Details |
| OS Name | Nothing OS 4.0 |
| Base Android Version | Android 16 |
| Company | Nothing (India is a key rollout market) |
| Release Timeline (India) | Beta: Oct 2025 → Stable rollout: Nov 2025 onward |
| Eligible Devices (India) | Phone (2), Phone (2a), Phone (2a Plus), Phone (3), Phone (3a series) |
| Update Type | OTA (Over-the-Air), free software update |
| User Interface | Minimal UI with redesigned icons and smoother animations |
| Key Highlight Feature | AI Dashboard (tracks AI usage & improves transparency) |
| AI Features | Essential Apps, AI widgets, AI Playground (experimental tools) |
| Display Features | Extra Dark Mode (true black theme for better battery & comfort) |
| Glyph Interface | Live updates for rides, delivery, timers via LED lights |
| Multitasking | Enhanced pop-up floating windows (dual app support) |
| Customization | New lock screen clocks, widgets, icon refresh |
| Privacy Features | Hide apps, better permission control |
| Camera Improvements | New presets, AI tools, improved gallery engine |
| Performance Upgrades | Faster animations, improved system optimization |
| Battery Optimization | Improved efficiency with dark mode and system tuning |
| Connectivity Improvements | Better Bluetooth & Wi-Fi stability (reported improvements) |
| Quick Settings | Redesigned panel with resizable tiles (2×2 support) |
| Widgets | Resizable widgets and new widget sizes |
| Gaming Performance | Improved RAM handling and smoother UI (general optimization) |
| Stability | Mostly stable, minor bugs reported in early versions (community feedback) |
Key Features of Nothing OS 4.0
AI-Powered Dashboard
Nothing OS 4.0 introduces a new AI Usage Dashboard that tracks how AI features are used on your device, improving transparency and control.
Enhanced UI & Design
The UI has been redesigned with:
- New app icons
- Smoother animations
- Improved Quick Settings panel
Extra Dark Mode
A new Extra Dark Mode improves readability and reduces battery consumption, especially useful for Indian users who use phones extensively at night.
Glyph Interface Improvements
- Real-time updates (ride tracking, delivery status)
- Better notification integration
Privacy Enhancements
- Hide apps from home screen and app drawer
- Better permission control
Features Details
| Feature Category | Details |
| OS Base | Android 16 |
| UI Design | Minimal + redesigned icons |
| AI Features | AI Dashboard, Essential Apps |
| Privacy | App hiding, improved controls |
| Display | Extra Dark Mode |
| Multitasking | Pop-up view with floating apps |
| Widgets | Resizable widgets |
| Camera | Improved tools + AI enhancements |
| Performance | Faster animations, smoother UI |
Eligible Devices in India
Nothing OS 4.0 is rolling out in India for the following models:
| Device Name | Update Status in India |
| Nothing Phone (3) | Available |
| Nothing Phone (3a / 3a Pro) | Available |
| Nothing Phone (2) | Available |
| Nothing Phone (2a / 2a Plus) | Available |
| CMF Phone (India) | Expected rollout |
Products and Pricing in India – Nothing Phones
Since Nothing OS is free, pricing depends on the device.
| Device | Price Range (INR) | OS Support |
| Nothing Phone (2) | ₹35,000 – ₹45,000 | OS 4.0 supported |
| Nothing Phone (2a) | ₹23,999 – ₹27,999 | OS 4.0 supported |
| Nothing Phone (3a) | ₹30,000 – ₹38,000 | OS 4.0 supported |
| Nothing Phone (3a Pro) | ₹40,000+ | OS 4.0 supported |
Performance Improvements
Nothing OS 4.0 focuses heavily on speed and smoothness.
Improvements:
- Faster app opening/closing animations
- Better RAM management
- Improved gaming performance
Users in India have reported smoother multitasking and better UI responsiveness.
Performance Comparison Table (OS 3.0 vs OS 4.0)
| Feature | Nothing OS 3.x | Nothing OS 4.0 |
| Android Version | Android 13/14 | Android 16 |
| UI Smoothness | Good | Excellent |
| AI Features | Limited | Advanced |
| Customization | Basic | Improved |
| Battery Optimization | Average | Better |
| Animations | Standard | Advanced |
User Reviews India & Community Feedback
Positive Feedback
From Indian users and global forums:
“Performance and battery seem stable after update.”
Negative Feedback
Some users feel:
“Update feels more like visual changes than major upgrade.”
Reviews Summary
Availability in India
Online Stores (India)
- Flipkart (Primary partner)
- Amazon India
- Nothing official website
Offline Stores
- Reliance Digital
- Croma
- Vijay Sales
Availability Table
| Channel | Availability |
| Online | Widely available |
| Offline | Major cities in India |
| Tier-2 Cities | Limited availability |
Country-wise Availability
Nothing OS 4.0 is available globally but prioritized in markets like India.
| Country | Availability Status |
| India | Fully available |
| UK | Available |
| USA | Available |
| Europe | Available |
| Southeast Asia | Rolling out |
Comparison with Other Brands (India)
Nothing OS 4.0 vs Other Android Skins
| Feature | Nothing OS 4.0 | OxygenOS (OnePlus) | MIUI (Xiaomi) | One UI (Samsung) |
| UI Style | Minimal | Balanced | Feature-rich | Premium |
| AI Features | Advanced | Moderate | Moderate | Advanced |
| Performance | Smooth | Very smooth | Mixed | Stable |
| Customization | Moderate | High | Very high | High |
| Bloatware | Minimal | Low | High | Medium |
Pros and Cons
Advantages
- Clean and minimal UI
- Smooth performance
- AI-powered features
- Unique Glyph Interface
Disadvantages
- Limited feature upgrades vs expectations
- Some users report minor bugs initially
- Not as customizable as MIUI
Should You Update to Nothing OS 4.0?
Yes, if you want:
- Better performance
- Latest Android features
- Improved UI
Wait, if you:
- Prefer stability over new features
- Use older Nothing devices
Final Verdict
Nothing OS 4.0 is a refinement-focused update rather than a revolutionary one. For Indian users, it offers a clean, fast, and AI-enhanced experience, making Nothing phones more competitive in the mid-range segment.
While it may not introduce massive new features, the performance improvements, UI polish, and AI tools make it a worthwhile upgrade.