iOS 26.4 is going to be a pretty big update for the iPhone. It's expected to launch late in March based on past x.4 releases for the operating system.
Apple added RCS to the iPhone, but crucially, the current implementation lacks end-to-end encryption. That's changing in the latest beta.
Apple’s iOS 26.4 beta 2 widens RCS encryption tests, adds Playlist Playground, UI tweaks and new security and accessibility options.
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