Not getting text notifications after updating to iOS

Re: "Not getting text notifications after updating to iOS : Updated to iOS 26 not getting text notifications"

Apple Support's article: About iOS 26 Updates - Apple Support says iOS 26.1 is the latest version:

and

"This update adds ... other features, bug fixes, and security updates for your iPhone."

(Reminder: If you choose to update the iOS, it is always wise to back-up iPhone first.

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If already using iOS 26.1: You can try re-starting your iPhone to see if that restores order:

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Else: If you still need help, you may want to check your settings:

See if Apple Support's trouble-shooting article (link below) can help:

What to do: If you don't receive Messages notifications on your iPhone or iPad - Apple Support