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Johnluke91

macrumors member
Original poster
Jul 9, 2016
84
41
Italy
My iPhone 6 is still on iOS 9.3.5. I want to upgrade to iOS 10.3.1 but I would save the blob shsh2 in case you'd want to go back. It is possible to do so? It is necessary to jailbreak? What is the procedure? Thank you
 
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