This is just a short guide on how to jailbreak your iPod1G/2G/3G devices and iPhone1G/2G/3G devices using Blackra1n tool.
Step 1: Upgrade your OS in your iPhone/iPod to OS 3.1.1 or OS 3.1.2
Step 2: Download Blackra1n tool for windows from http://www.blackra1n.com/
Step 3: Connect your device and run the tool.
Step 4: Goto the last page in your [...]