If for some reason you are unhappy with iOS 15.7 or iOS 16, it might be worth pointing out that you can no longer downgrade to iOS 15.6.1.

The reason why Apple stops signing older versions of IOS after a while is to ensure that as many users as possible use secure operating systems.

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Next week sees the release of iOS 16.0.2, an update that offers a number of long-awaited bug fixes.

Whether there will be any more updates to IOS 15 or not remains to be seen, but there is much evidence that Apple will continue to offer security fixes during a transition period.