For a full list, iOS 17 supports the following iPhone models: Note that iOS 17 is compatible with the iPhone XS and newer, meaning that support has been dropped for the iPhone 8, iPhone 8 Plus, and iPhone X. This means anyone with an Apple ID can download and install the iOS 17, iPadOS 17, and macOS Sonoma betas without waiting for the public betas to launch. In an unexpected change for 2023, anyone who signs in to Apple's developer account website with their Apple ID gets access to developer beta releases as well, even if they are not a paying member of Apple's Developer Program. However, since iOS 17, iPhone users no longer have to wait for a publicly released beta to test what's new.

Public betas then become available to users enrolled in Apple's Public Beta Software Program after a delay of a few days or weeks after the developer beta has been released. In years past when Apple has announced a major new operating system update, the first wave of betas has officially only been available to download if you are a paying subscriber to Apple's Developer Program, which costs $99 a year. When Apple released the first iOS 17 beta to developers, for the first time it gave non-developers the opportunity to download beta software updates on their iPhones for free.

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