Nothing continues to maintain a frenetic pace of updates for its mid-range lineup, and now it's the turn of the Nothing Phone (2a). The company has begun rolling out the software version Nothing OS B4.0-251230-2052, This update, while seemingly minor, brings quality-of-life improvements that users have been requesting for some time. As is customary with Nothing releases, this firmware update arrives... stepped form, Therefore, it will gradually reach all markets in the coming days.
This time, we see how the Phone (2a) inherits the visual improvements we've recently seen in other models in the family, such as the integration of the number within the battery icon. In my opinion, it's a very smart move on Nothing's part to unify the visual experience across all its devices, regardless of the price range. Furthermore, they've focused on refining the gesture navigation and the connectivity speed, which is always appreciated in a device that seeks maximum efficiency.
What's new in this update
Visual improvements
- 🔋 The battery percentage icon, now showing the number inside.
- 🎚️ It has been improved smoothness of the animation of the volume control when adjusting it with the physical keys.
- 🌑 Mode Optimization «"Extra Dark"» for better visual adaptation in more scenarios.
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General improvements and bug fixes
- 🔔 It is now possible to configure different ringtones for dual SIM use.
- 📳 Optimization of the vibration and haptic feedback in more system scenarios.
- 🔐 The system has been optimized installation notice when the applications are already in the private space.
- 📸 Improved preview stability in Photo mode during zoom change.
- 📱 Correction of display errors in the status bar, Quick settings and notifications.
- 🔙 Correction of an error where the preview of the "back" gesture« It stopped working after changing navigation modes.
- 📶 Improvement of the search speed of nearby available Wi-Fi networks.
- ⚙️ Improvement of the stability and fluidity system general.
- 🌐 Update of the Google Services (GMS) to the December 2025 version.
- 🛡️ Update of the security patch as of December 2025.
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Details about installation and performance
As in previous versions, you may notice that your Nothing Phone (2a) It gets a little hotter than normal or that the battery drains more quickly during the installation process. This is something temporary and completely normal Due to the workload involved in the system update, once complete, the phone will return to its normal stability and temperature. If you notice any unusual behavior after the update, you can easily report it via the following route. Settings -> System -> Feedback.
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