How to restore Jailbroken iphone 4 to it's default OS? I didn't take any backup before. I don''t to take backup any data.
closed as not a real question by bmike♦ Jan 9 at 16:59
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As long as you have everything backed up, it is as simple as plugging it into iTunes, and factory restoring it. You now have an unjailbroken iOS 5.1.1.