Amazon is selling an unlocked Samsung’s Galaxy S III Mini. Unlocked phones are not for a specific carrier but they are more expensive. The Samsung’s Galaxy S III is going for $419.99 and the phone works in any country. In US, the phone will work with AT&T and T-Mobile.
For an unlocked phone, this is a very low price. Compare to the 16 GB iPhone5, it cost $899 on Amazon.