iOS 10 to iOS 9 Downgrade
The iOS 10 update will replace the iOS 9 update as the company's flagship operating system but that doesn't mean that iOS 9 will be gone forever.
Apple should continue to sign off on the iOS 9.3.5 update after the iOS 10 release. If it does, you'll be able to downgrade to iOS 9.3.5 for a few days.
The company typically signs on old updates for a couple of weeks before killing the loophole. So, if you're unfamiliar with the process, you'll want to research the downgrade process ahead of the iOS 10 release date and keep an eye on Apple after it arrives.
Once the downgrade is gone, it's gone forever.
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