Apple added RCS to the iPhone, but crucially, the current implementation lacks end-to-end encryption. That's changing in the latest beta.

Apple is finally testing RCS encryption in the iOS 26.4 beta, but for now, those secure green bubbles are sticking to iPhones ...

Apple has released the second beta of iOS 26.4, expanding end-to-end encryption for RCS messages to include Android users.

The long-awaited security update for cross-platform messaging is finally here, ensuring your "green bubble" conversations stay private and secure.