Last Updated: 25 July 2011: We now provide unlocking services for all 3G/3GS/4 iPhones, regardless of firmware version or which carrier it was originally on (including overseas). We are able to unlock it for all 3G and GSM networks in Australia and around the world, allowing you to use any SIM card from any country. The service costs $79.00 and includes free express return back to you. All services include the option of installing third party applications as well.