If you own a Nothing Phone 3a or 3a Pro, there’s great news. Nothing has started rolling out its latest update, Nothing OS 4.0 (based on Android 16), for these models.
The update brings major improvements in UI/UX, AI tools, camera quality, and overall performance.
With a fresh design and smoother functioning, this update feels like a major upgrade rather than just a normal software patch.
Key Features in Nothing OS 4.0
New UI and Visual Changes
Nothing OS 4.0 introduces a completely refreshed interface.
Updated app icons, status bar, lock-screen clock, Quick Settings, and animations
A new Extra Dark Mode for better eye comfort and battery savings
Camera Improvements
The Camera app has received several upgrades:
New “Stretch” presets and improved filter controls
Motion Photos (short video + audio)
New watermarks, frames, and better-quality images
Reduced flicker in low-light and telephoto shots
Sharper night and low-light photos
System Performance and Multitasking
Apps now load faster with reduced startup time
Multitasking is smoother with 2×2 tiles in Quick Settings
Pop-up View allows two floating windows, letting you watch videos and chat together
New Hidden Apps option to hide apps from the home screen
Glyph Interface Enhancements
More customization options for Glyph Lights
Choose Silent or Vibrate mode using Flip to Glyph
Glyph Progress now uses Android 16’s Live Updates to show delivery, ride, and timer notifications directly on the Glyph lights
Eligible Models for the Update
The following phones have already received Android 16–based Nothing OS 4.0:
Phone 3a
Phone 3a Pro
The Phone 3a Lite has not received the update yet, but it may get it later.
