How to download the iOS 15 developer and public betas

beta profile ios 15iPhone models with a USB-C port include all iPhone 15 models and newer. ... introduced in version 2.7 of the specification. iOS 18 supports RCS Universal Profile 2.4.Are you ready to explore the new features in iOS 15 iPadOS 15? Here is how to download and install iOS 15 developer beta on iPhone and iPad.