While we don't yet know the new iPhones Apple will be dropping this fall — though there are iPhone 17 rumors — we do know, per Apple's site, that the phones listed below will be compatible with iOS 26. Basically, if you have an iPhone that was announced in 2019 or later, you're in the clear:

The newest iPhone software release could be the last big update before Apple moves to the next-generation iOS 26. Here’s what’s in it.

As well as a refreshed new look for system components like buttons and tabbars, the Liquid Glass redesign of iOS 26 also extends to app icons. For the first time since iOS 7, Apple has redrawn all of the system apps with new artwork. That means a whole new look is coming to your iPhone home screen this fall.