Every iPhone model compatible with Apple's iOS 26 (and which ones aren't)

Apple is set to unveil significant updates to its operating system during WWDC 2025 today, including a visual redesign and a new name: iOS 26. The change to the iPhone's user interface is rumored to be called Solarium, and it will offer users a more consistent design and experience across all Apple devices.

Each WWDC features the debut of a new version of iOS, giving users a preview of the latest iteration of its smartphone software for the iPhone, which is then made available for download as a developer beta. Apple removes one or two older iPhone models from its list of supported devices each time it releases a new iOS version, marking the end of those devices' software support cycle.

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We've added guidance below on how to trade in your old iPhone, and ...