Nothing has just released a new software update for users of Nothing Phone (3a) and (3a) Pro. Under the version Nothing OS 4.0-251229-2335, The company continues to refine its customization layer to offer a more polished experience. As is typical for the brand, the firmware rollout will be phased in, so if you haven't yet seen the notification in your system settings, it's only a matter of time before it appears on your device.
This version focuses especially on the visual cohesion and in correcting details Regarding the camera issue that users had reported, I personally think the change to the battery icon is a complete success; it's one of those long-standing community requests that finally integrates the battery level clearly. Furthermore, the improvements in power consumption when recording video and the correction of blurry selfies demonstrate that Nothing continues to optimize the hardware of its devices to get the most out of them.
What's new in this update
Visual improvements
- 🔋 The battery percentage icon has been updated, now showing the number inside.
- 🎚️ The smoothness of the volume control animation has been improved when adjusting it with the physical keys.
- 🌑 Optimization of "Extra Dark" mode for better visual adaptation in more scenarios.
- 📼 Optimized sound wave and wheel animations in the Recorder app for a smoother experience.
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General improvements and bug fixes
- 🔔 It is now possible to configure different ringtones for dual SIM use.
- 📳 Optimization of vibration and haptic feedback in more system scenarios.
- 🦻 Optimizing sound volume during calls with Oticon Zircon 2 miniRITE T hearing aids.
- 📹 Optimizing energy consumption during video recording with the rear camera.
- 🚶 Improved stability of Pedometer widgets.
- 📱 Fixed display errors in the status bar, quick settings, and notifications for better visual consistency.
- 🤳 Fixed an issue where faces appeared blurry when shooting close-up with the front camera.
- 🖼️ Correction of an error where the watermark showed an incorrect focal distance or location in the photos.
- 📷 Improved overall camera stability.
- 📶 Improved overall network stability.
- ⚙️ Improved overall system stability and fluidity.
- 🌐 Google Services (GMS) update to the December 2025 version.
- 🛡️ Security patch update to December 2025.
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Performance and installation notes
It is important to mention that, during the installation process, You may notice that the device is using more power than usual or that its temperature is increasing.. This is expected behavior while the system reorganizes files; once the update is complete, performance will return to normal. If you notice any issues after the update, remember that you can submit your report directly through [link/method/etc.]. Settings -> System -> Feedback to help the development team.
Jose Manuel
And with this update they've removed the lock glimpse from 3a! Woohoo!
ruudhesp
That's right! The best way to start the year! I've even dedicated a separate article to it:
https://nothingtec.com/2026/01/09/nothing-elimina-lock-glimpse-rectificacion-software/