This is how much it will cost you around the world
enlargeA lot of people want to be able to use their mobile phones with different carriers. In Europe it is very common the devices selling unlocked so customers can insert a SIM card from any carrier and use their mobile phone. If you want to buy an unlocked iPhone 4 without a contract it will cost you more. But how much more? iFun, a German blog, put together a chart showing unlocked iPhone 4 prices around the world.
The most expensive country to buy an unlocked iPhone 4 is Italy with the 16 GB model selling for €659 ($870) and the 32 GB model for €779 ($1,030). The least expensive country to buy an unlocked iPhone 4 is Hong Kong with the 16 GB model selling for €496 ($650) and the 32 GB model for €585 ($770). In the US, iPhone 4 is locked to AT&T and is not offered unlocked.