Nothing OS 4.0 Update: How It Fixes Phone 3a Camera Issues
Nothing has officially kicked off the rollout of its much-anticipated Nothing OS 4.0 stable update for the Phone 3a and Phone 3a Pro, introducing Android 16 to its mid-range lineup. This isn’t just another minor update—it’s a complete system revamp loaded with AI-driven features, visual upgrades, camera improvements, and privacy-centric tools that highlight Nothing's dedication to providing top-notch experiences across its device range.
Phased Rollout and What to Expect
The update is being rolled out with the build number Nothing OS B4.0-251118-1551, and it’s happening in phases, with all users expected to receive it within one to two weeks. Nothing is taking a careful approach, initially releasing the update to a select group of users to ensure everything runs smoothly before making it widely available. It’s worth noting that the Phone 3a Lite is not included in this rollout and will get its stable update in early 2025.
Before jumping into the update, Nothing strongly advises backing up your data and making sure Essential Space is updated to the latest version—especially if you want to make the most of the improved Flip to Record feature.
AI Transparency Takes Center Stage
One of the standout features in Nothing OS 4.0 is the new AI Usage Dashboard. This tool reveals how and when the system utilizes large language models, found in Settings > Intelligence toolkit > AI usage. In a time when AI processing often happens behind the scenes, this transparency-focused feature empowers users to see exactly how much AI activity is taking place on their device. It’s a thoughtful addition that puts privacy control back in the hands of users.
Playground and Essential Apps: Community-Powered Innovation
With the launch of Nothing OS 4.0, we’re excited to introduce Playground (Alpha), a revolutionary hub that harnesses the creativity of the Nothing community. Now, users can dive into a treasure trove of community-made creations, featuring AI-powered Essential Apps, Camera Presets, and EQ Profiles. This opens up a whole new realm of customization, allowing users to download apps crafted by fellow enthusiasts that seamlessly blend creativity with functionality.
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The Essential Apps (Alpha) are particularly thrilling, showcasing AI-driven tools designed by dedicated Nothing users. This community-focused approach to app development could really set Nothing apart in a smartphone market that often feels a bit too uniform.
Visual Refresh and Customization Options
Nothing has given its entire interface a fresh new look. All app icons have been revamped with a sleek, modern design, and the status bar icons have been updated for a more user-friendly appearance. Plus, two new lock screen clock faces have been added to the customization menu, offering users even more ways to make their devices their own.
For those who love deeper blacks, the Extra dark mode is now available under Settings > Display > Dark theme > Extra dark mode. This feature provides a more immersive dark experience that’s easier on the eyes and could even help save battery life on OLED screens. The update also enhances transition animations across the system, making every interaction feel smoother and more fluid.
If you're looking for a more organized home screen
you'll love the new feature that lets you hide apps right from the home screen and app drawer. You can easily access these hidden apps through a special section in the launcher settings, which not only tidies things up but also adds a layer of privacy. Plus, the app drawer now lets you manage your search scope, so you can narrow down results to fit your needs.
Widgets are getting some love too
You can now choose from more size options for essential widgets like Weather, Pedometer, and Screen Time. And those Quick Settings tiles? They now come in a convenient 2×2 size, making them super easy to reach and use.
Now, let’s talk about the Glyph interface
. Nothing has made some solid updates here. With the new Flip to Glyph feature, you can decide if your phone goes into Silent or Vibrate mode when you flip it over, giving you more control over how you handle notifications. Glyph Progress has also been upgraded to use Android 16 Live Update notifications, which means those iconic light patterns are even more functional in your daily life.
For photography enthusiasts
the camera app has undergone a major overhaul. You’ll find new presets in the default list, a Stretch filter with adjustable intensity, longer Motion Photos that now include audio, fresh Nothing watermarks, artistic frames, and a revamped camera UI. The Stretch filter, created in collaboration with photographer Jordan Hemingway, adds depth to your photos with richer shadows and brighter highlights, giving you that cinematic vibe straight from the app.
Speaking of Motion Photos
the addition of audio is a game-changer, bringing it closer to the Live Photos feature that iOS users have enjoyed for a while. The updated camera interface is designed for smoother interactions, making it easier than ever to capture those special moments.
Essential Space has taken its Flip to Record feature up a notch! Now, users can snap photos and jot down notes while recording, all in one go. Everything gets saved together in Essential Space, making it super convenient for anyone—be it content creators, students, or professionals—who need to capture ideas and visuals on the fly.
When it comes to multitasking
Nothing OS 4.0 has some handy upgrades. The pop-up view now lets you have two floating icons, which makes switching between apps during multitasking a breeze. This is a game-changer for power users who often juggle several applications at once.
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In conclusion
Nothing OS 4.0 is a significant upgrade for the Phone 3a and Phone 3a Pro. With the introduction of Android 16, AI transparency tools, community-driven features via Playground, major camera enhancements, and thoughtful visual tweaks, Nothing proves that mid-range devices can offer a flagship-level software experience.
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