To downgrade your iPhone from iOS 16 to iOS 15, you basically need to erase your current phone and then restore it with the new operating system.

If you've installed iOS 16 or iPadOS 16 through Apple's developer program, you may decide you want to downgrade because of usability or stability issues. Keep reading to learn how it's done.

This step-by-step guide with images covers how to uninstall iOS 16 beta and reinstall iOS 15 on iPhone and iPad.

How does the new version of iOS compare to the one it replaces? We put iOS 16 and iOS 15 head to head.