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:

iOS 26 will be available for the following iPhones: And of course, the sure-to-be upcoming iPhone 17 series will also support iOS 26, and these phones will almost certainly ship with the new software. By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.

Apple is releasing a substantial new iOS iteration later this year, but like always, some iPhones will be unable to run the operating system and will be functionally left behind by the Apple ecosystem.