How can I upgrade a jailbroken iPhone 3GS from iOS 4.1 to 5.1.1?

How can I upgrade a jailbroken iPhone 3GS from iOS 4.1 to 5.1.1?

Posted June 12, 2013 at 8:45am by swati28gupta · 2787 views
How can I upgrade my jailbroken iPhone 3GS from iOS 4.1 to 6.0 and preserve baseband? My firmware: 0615.00


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