End-to-end encryption for RCS messages surfaces in iOS 26.3 beta

Syndication January 13, 2026

End-to-end encryption for RCS messages surfaces in iOS 26.3 beta

Code hints in the latest iOS 26.3 developer beta indicate end-to-end encryption is finally coming to RCS messaging on iOS.

Green rounded square app icon with a white speech bubble in the center containing the bold letters RCS, on a darker green gradient background

RCS is already in the Messages app, but end-to-end encryption should join it soon.

In March 2025, Apple and the Rich Communication Services (RCS) standards body GSMA announced that there would be end-to-end encryption support for RCS messaging on iOS. Almost a year later, there are signs that it is finally being implemented.

A post on X by French developer Tiino-X83 on Monday showed what appeared to be carrier bundles in iOS 26.3’s second developer beta. A screenshot shows that there’s a new key titled “SupportsE2EE” added to four bundles of carriers operating in France.

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