As we know iphone 3G need bind an appointed mobile operator to sell in your country. If you want to use a different operator. do you know how to do it? At here, we will offer a 
  best way to solve this problem. ---- "Katie".
 

 In China, many supplier announce they can offer unlock "Katie" , but, some "Katie" are very unstable in signal supporting! How to buy a good "Katie", we offer " Gevey -3" and
 " Smart -II " to you, you can buy from them. We have tested the signal and sound. both are very stable!

 

 If your country still don't sell iphone 3G, you also can buy "American" vision or other vision iphone 3G and use this way to active your iphone!