Unlock your iPhone so it can be used on any GSM carrier in the world. This is the software unlock of the iphone no need to open up your iPhone.
This iPhone Software Unlock will take about 20min to complete all 3 steps. Tutorial file is included as a .pdf fie.
All that you need to unlock and jailbrake your iPhone is included.
Big ups to the iphone.unlock crew, Draken, and, of course, the iPhone Dev Team.
*I'm not responsible if this bricks your iPhone. Use this on your own risk.