would iPhone Xs get RCS support with ios18

Yes, you are correct. 😉

The iPhone XS will support iOS 18 when it’s released this fall.

Good luck! 👋🏼😉

RCS is a feature of iOS 18 ◀︎ Click that link and scroll down for details.

We are all getting this exciting update in a few months! 👋🏼😁

Yes, the answer is right there if you read about the features in iOS.

iOS 18