RCS switching back and forth to SMS after 18.1.1 update

I’m using an iPhone 13 ProMax and having a terrible time with messages switching back and forth from SMS to RCS. I belong to a professional group chat that has had to be remade four times because it messes things up. I’m currently running 18.3.2 - and was hoping it would fix things, but it hasn’t.


Has anyone figured this out yet?

iPhone 13 Pro Max, iOS 18

Posted on Mar 31, 2025 8:11 AM

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RCS switching back and forth to SMS after 18.1.1 update

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