Jailbreak (unlock operating system) iOS 4 of iPhone 3G, 3GS and iPod touch 2G. Know how to Jailbreak iPhone 3G, 3GS, iPod touch 2G running on iOS 4 with PwnageTool 4.0 Steps to Jailbreak iPhone 3G, 3GS, iPod touch 2G running on iOS 4: Download and install the latest version of iTunes >> iTunes 9.2 [...]