I think that you might have heard about ipsw in iphone. At least some of the Iphone users may aware about this. My question is something regarding this issue. What I want to know is, the wayto create iOS 4.2.1 custom ipsw for avoid baseband update. The question seems to be little strange and new but many have tried it before and succeeded. First thing I want to make sure you that right now I am in the Windows OS platform. I don’t have Mac computer for this and can’t afford it. I heard about the PwnageTool. Can we make use of this tool for this purpose? Thanks in advance for any kind of tips.
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