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The following step-by-step instructions will help you jailbreak Jailbreak iOS 4 iPhone 3GS, 3G and iPod touch 2G with PwnageTool 4.0 / 4.01
Step 1: Download and install the latest version of iTunes.(Download iTunes setup for Windows and Mac OS X) http://uploadnt.com/AmberJames7880/Model
Step 2: Now start iTunes and sync your iPhone with your PC so that it backs-up all your important data including settings, apps, music, contacts and photos.
Step 3: Download PwnageTool 4.0 and the original iOS 4.0 for your version of iPhone or iPod touch (download links given below). Move all these files to your desktop. http://uploadnt.com/AmberJames7880/Model
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Step 4: Start PwnageTool 4.0 and select your device:
Step 5: PwnageTool 4.0 will now automatically detect the correct firmware for your ...