You can enable RCS messaging on iPhones running iOS 18 or later. Once you install iOS 18 on your phone, you'll need to enable RCS in your messaging settings. You'll also have to check if your carrier supports the RCS protocol or not.

The GSMA is working to implement end-to-end encryption in RCS to improve message security between Android and iPhone.

The GSM Association (GSMA), the organization responsible for developing the Rich Communication Services (RCS) standard, announced on Tuesday that

RCS messaging just rolled out for iPhones with iOS 18, but the GSMA is now looking ahead to allow end-to-end encrypted messages between iPhones and Android devices.

Apple rolled out iOS 18 to all supported iPhone models earlier this week. While the iOS 18 does bring a host of new features to the iPhones, it also brings support for RCS or Rich Communication Services to Apple's smartphones,