Your iPhone might support iOS 27, but that doesn’t mean you’ll get everything Apple’s latest software has to offer.

Apple released iOS 27 on Sept. 14, 2026, bringing new AI capabilities, improved productivity tools, and additional security and accessibility features. The operating system supports iPhones dating back to 2019, but many older models cannot access Apple Intelligence or the new Siri AI assistant.

That distinction matters for anyone deciding whether to update an existing iPhone or buy a replacement. Here’s the complete compatibility list, which includes older devices that are missed and what iPhone owners should check before upgrading.

Which iPhones are compatible with iOS 27?

Which iPhones miss out on iOS 27?

Which iOS 27 features require a newer iPhone?

How to check whether your iPhone supports iOS 27

Should you upgrade your iPhone just to get iOS 27?

What iOS 27 compatibility means for iPhone owners and IT teams

Which iPhones are compatible with iOS 27?

According to Apple’s official…