The open beta for Nothing OS 4.0, based on Android 16, is now available for users of the Nothing Phone 2, Phone 3, and Phone 2a series. Key features include a new quick setting tile size of 2×2, two new lock screen clock faces, an Extra Dark Mode, and support for Essential Apps with shareable widgets. The Nothing Phone 3 can support up to six Essential Apps widgets, while other models can support up to two, with plans for future expansion. The Nothing Phone 3 will also include an “AI usage dashboard” within Essential Space and improvements in Bluetooth connectivity, Wi-Fi stability, display brightness, and camera functionality. The Nothing Phone 2, Phone 2a, and Phone 2a Plus will receive the “Stretch” camera preset and app optimizations for faster startup speeds. An open beta for the Nothing Phone 3a series is expected to launch in October.