Mine is after download the update to v4.0.2 in itune, then sync it with my 3gs (never JB ori from digi) and then itune show error code (-20) "Cannot Back-Up" and my 3gs is still running v4.0.1. Anyone encounter this issue or can provide solution.
iPhone 4 and iOS 4 V2, Discussion Thread
Aug 14 2010, 04:04 PM
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