India, Oct. 1 -- Nothing has rolled out the open beta for Nothing OS 4.0, making the latest version of its operating system available for a wider group of users. The release follows a successful closed beta for the Nothing Phone (3) and allows eligible users to test new features and improvements ahead of the stable update. Here's what to know about the open beta, how to install it, and which devices can participate.

Nothing OS 4.0 introduces several changes aimed at improving performance, customization, and privacy. The update includes:

The Nothing OS 4.0 open beta is available for:

The rollout will happen in phases, so the update may appear at different times depending on the device. Other products, such as the Nothing Ear (1), are no...