iPodTouchHelping teaches you how to Jailbreak version 3.1.2 iPhone and iPod using Blackra1n. Connect your iPod or iPhone to your computer and make sure it appears in iTunes. You need to go to Blackra1n and click on the Windows icon. Download the program and run it. Click Make it rain in the Blackra1n application. You might get some error messages, just ignore them. The process will finish and the device will reboot. You will see the Blackra1n icon on your device, tap that and select Cydia and Rock. Click install and you are done jailbreaking.