You need to join the Siri AI waitlist before you can use it‎

Siri AI is open for business, but interested users will need to join the queue before Apple lets them in the door. Here's where it is, and how to sign up for the list.How to join the Siri AI waitlist in iOS 27Apple's new Siri AI features aren't automatically available after installing iOS 27. If you're interested in trying, you must first request access through a waitlist.To join the waitlist, you need to meet certain criteria. This includes having a compatible iPhone, setting your language to English, and meeting age and country requirements. Continue Reading on AppleInsider | Discuss on our Forums