The iPhone Duo is out, and it’s running on Apple’s newest operating system, iOS 27 .

The latest iPhone OS introduced a revamped Siri AI to Apple Intelligence-compatible devices, as well as a handful of other features to all compatible iPhones, like an updated Safari browser . But many of iOS 27’s upgrades are more subtle, under-the-hood changes, so it’s easy to miss things on your new or newly updated iPhone .

We put together this guide to help you navigate and use the latest features in iOS 27. We’ll keep this page updated with subsequent iOS 27 versions — including iOS 27.2, which is wrapping up beta testing and is expected to launch soon.

Getting started with iOS 27

I Used iOS 27 for Months, and Here’s What I Like and What I’m Still Unsure About

All the iPhones Compatible With iOS 27

iOS 27 Draining Your Battery?…