<ul><li>Apple has implemented the Rich Communications Services (RCS) protocol in iOS 18, improving texting experience with non-iPhone users.</li><li>The upcoming iOS 18.4 update will enable RCS support for smaller prepaid carriers like Google Fi and Mint Mobile.</li><li>RCS will now have end-to-end encryption using the Messaging Layer Security (MLS) protocol, providing high-level privacy and security for users.</li><li>This update makes RCS the first large-scale messaging service to support interoperable end-to-end encryption between different providers.</li></ul>

RCS texting updates will bring end-to-end encryption to green bubble chats

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