How to downgrade iPhone iOS 4 to OS 3.1.3 – TechRadar UK


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How to downgrade iPhone iOS 4 to OS 3.1.3
TechRadar UK
and Setting\Yourname\Application Data\Apple Computer\iTunes\iPhone Software Updates. The one we're looking for is iPhone1,2_3.1.3_7E18_Restore.ipsw.
How To: Download and Install iOS 4.0.1 for iPhoneSoftpedia
Marc Saltzman How and why to export playlists in iTunesSync (blog)
Apple iTunes 9.2.1: List of changes, fixes and tweaksProduct Reviews (blog)
Absolute Gadget
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