Apple Stops Signing iOS 9.2.1 so You Can No Longer Downgrade from iOS 9.3<img style="float: left; margin-right: 10px" src="
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Apple has stopped signing iOS 9.2.1 — its last iOS 9.2 update — preventing users from downgrading from iOS 9.3 and above. The move comes less than three weeks after Apple made its first iOS 9.3 update available to the public.
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Apple Stops Signing iOS 9.2.1 so You Can No Longer Downgrade from iOS 9.3
