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What percentage of iPhones actually require DFU after a bad iOS upgrade? I’ve had iPhones since the 3GS and never experienced it, neither have anyone I’ve know

by MBCook 2y ago

What percentage of iPhones actually require DFU after a bad iOS upgrade? I’ve had iPhones since the 3GS and never experienced it, neither have anyone I’ve known. I’m sure it happens, but I suspect it’s really rare.