my phone says it is up to date but it’s only updated to IOS 12.4
What do I do if my phone says it is up to date but it’s only updated to IOS 12.4
[Re-Titled by Moderator]
iPhone XS Max, iOS 12
If as your signature suggests you do have iPhone Xs Max and you haven't updated it since iOS 13 came out, you've missed several updates since it was released. So, the easiest way would be to connect your iPhone to your home computer and do the update using iTunes.