In essence, jailbreaking your iPhone means freeing it from the limitations imposed on it by AT&T and Apple. You install a software application on your computer, and then transfer it to your iPhone, where it “breaks open” the iPhone’s file system to allow you to modify it.
If any of you out there want to (Jailbreak) your iPhones here is how to do it.
1) Download this Software, here is the link:
2) Watch this tutorial from dahacker13..
If you still have questions just leave a note at my Mobile Devices Page