This tutorial will show you how to jailbreak your 3G iPhone by creating a custom ipsw that can automatically jailbreak, install applications, and add your own boot logos.

To learn how to use PwnageTool to unlock/jailbreak a 2G iPhone you can use the tutorial which ishere or for the iPhone 3GS click here

Step One
Make a folder called “Pwnage” on the desktop. In it, you will need a couple of things. PwnageTool 3.1.5, found here
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