Apple notes that the encrypted messages are just a test and aren't available for all devices, carriers, or regions yet.
iOS 26.4 beta 2 is now rolling out for developers, and it expands support for testing encrypted RCS messaging on iPhone.
Now, Apple's latest iOS 26.4 Developer Beta 2 finally starts testing end-to-end encryption (E2EE) for Apple-to-Android RCS messaging, leveraging the GSMA’s RCS Universal Profile 3.0, which uses ...