Every iPhone model that can be updated to Apple’s iOS 18 (and which ones can’t)

Apple typically releases its new operating systems for public beta access a few weeks after WWDC. We expect iOS 18 to be available in public beta by July. 

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The public beta program lets users test developing software to pinpoint bugs and performance issues. This is done so that software teams can make any necessary fixes and releases before the new system reaches general availability.

Apple will likely release iOS 18 out of beta this fall, following Apple’s September iPhone event, at which the company announces new models and potentially other hardware.