RCS end-to-end encryption between iPhones and Android devices is now live
Briefly

RCS end-to-end encryption between iPhones and Android devices is now live
"After many years of anticipation, Apple finally added support for RCS in iOS 18 in late 2024, and it's been there ever since. There has been a rather significant caveat - these RCS messages you can send between an iPhone and an Android phone are not end-to-end encrypted."
"That changes today, with the rollout of iOS 26.5. This version comes with support for end-to-end encryption for RCS. Interoperability with Android is provided by Google, which has also announced that Android device users with the latest version of Google Messages can send end-to-end encrypted messages to people with iPhones on iOS 26.5."
"This feature is supported by Apple for specific carriers only, here's the full list. In case you didn't know, end-to-end encryption means your messages can't be read while they're sent between devices. You will know that your conversation is end-to-end encrypted when you see a new lock icon in your RCS chats."
"Encryption will be turned on by default for new chats and will be automatically enabled for existing chats over time."
Apple added RCS support to iOS 18 in late 2024, but iPhone-to-Android RCS messages were not end-to-end encrypted. iOS 26.5 introduces end-to-end encryption for RCS. Google provides interoperability so Android users on the latest Google Messages can send end-to-end encrypted messages to iPhones running iOS 26.5. Apple enables the feature only for specific carriers, with a listed eligibility set. End-to-end encryption prevents messages from being read while they travel between devices. A new lock icon in RCS chats indicates end-to-end encryption. Encryption turns on by default for new chats and is enabled for existing chats over time.
Read at GSMArena.com
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