Nothing’s Android 15 beta is officially live. However, it’s only available for one of the company’s smartphones.
https://www.digitaltrends.com/mobile/nothing-android-15-beta-is-live-but-only-for-one-of-its-phones/
https://www.digitaltrends.com/mobile/nothing-android-15-beta-is-live-but-only-for-one-of-its-phones/