iPhone How would I go about UNLOCKING an iPhone 3G with iOS 5.1.1?

[megahertz]

What the title said, How would I go about UNLOCKING an iPhone 3G with iOS 5.1.1?

I've gone through a few sites but can't find a specific way of doing this. Any help?

 

[dhlizard]

What the title said, How would I go about UNLOCKING an iPhone 3G with iOS 5.1.1?

I've gone through a few sites but can't find a specific way of doing this. Any help?

A 3G cannot have 5.1.1 firmware.
Is it a 3GS perhaps ?