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:

"It combines the optical qualities of glass with a fluidity only Apple can achieve, as it transforms depending on your content or context," Dye said. Apple WWDC 2025: Live updates