How to UNLOCK iPhone 3gs?

i have an iPhone 3Gs
4.1 software
firmware: 05.14.02

HOW DO YOU UNLOCK IT!? i don't wanna ruin my phone and I need help please.

Hi you can easily unlock your iphone3gs by using remote unlock method. If you need remote unlock service you can visit this site ClassicUnlocking.com here you can get the service and unlock your iphone3gs easily.