Samsung Duo D880 phone?

If you want to use Your US phone in Europe, then you need to get your phone unlocked.You can unlock your Samsung D880 Duos phone to any Network using unlock code.You can get the unlock code for your phone from your Network service provider or any third party online vendors like SuperUnlockCodes.com here you need to specify your country, Current Network name, IMEI number of your phone. Then they deliver unlock code to you through mail with unlocking instructions. Using this you can unlock your phone from Network lock easily.Once your phone unlocked you can use anywhere and use any GSM Sim in it.