Apple has stopped signing iOS 10.2 firmware for iPhone and iPad, making downgrade from iOS 10.2.1 impossible. Once You Upgrade to iOS 10.2.1 You Are Stuck for Good – Downgrade to iOS 10.2 No Longer Possible At the time of writing, iOS 10.2 is the latest version of Apple’s mobile OS that can be swiftly jailbroken and is no longer signed ... Read More »