How to Update iPhone 3gS & iPhone 4 to iOS 5.1.1 Preserving your Baseband for Unlock

[postlink] https://howtodoiphone.blogspot.com/2013/03/how-to-update-iphone-3gs-iphone-4-to.html[/postlink] http://www.youtube.com/watch?v=uvk5iVMiQksendofvid
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Title :How to Update iPhone 3gS & iPhone 4 to iOS 5.1.1 Preserving your Baseband for Unlock
Tag : how to iphone 3gs
Time : 10.87 min.
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How to Update iPhone 3gS & iPhone 4 to iOS 5.1.1 Preserving your Baseband for Unlock

Summary: Jailbreaking Tool used here is Redsn0w 0.9.11b4. We will first use it to Put our iPhone 3gS or iPhone 4 in Pwned DFU mode as shown in the video. The...
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