If you're on the fence about Apple Intelligence features on your iPhone, just know they'll be automatically installed with the next iOS update. According to Apple's beta developer notes, Apple Intelligence will automatically be switched on when you install iOS 18.

Apple provided developers and public beta testers with the release candidate version of iOS 18.3 today, and with it comes release notes

There’s another iPhone software update coming, as soon as this month. Here’s everything you need to know about the next release, called iOS 18.3, when it’s coming and what will be in it.

For users new or upgrading to macOS 18.3, Apple Intelligence will be enabled automatically during Mac onboarding. Users will have access to Apple Intelligence features after setti

Apple Intelligence will only be enabled by default for hardware that supports it. For the iPhone, that's just the iPhone 15 Pro series, iPhone 16 series, and iPhone 16 Pro series. It goes further back on the iPad and Mac—Apple Intelligence works on any model with an M1 processor or newer.