Apple Stops Signing iOS 10.1.1, Downgrading or Saving .SHSH2 blobs No Longer Possible<img style="float: left; margin-right: 10px" src="
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Apple has stopped signing iOS 10.1.1, so if you’ve upgraded to iOS 10.2, then you won’t be able to downgrade from or upgrade to iOS 10.1.1. Apple has also stopped signing iOS 10.1.
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Apple Stops Signing iOS 10.1.1, Downgrading or Saving .SHSH2 blobs No Longer Possible