This phone is an UMTS phone with new type of MSL security, it cannot be unlock with free codes, then you end up with an "phone freeze" so be warned. solutions: 1- get the unlockcode from your provider (they charge yo a lot) 2- get to an local unlockshop and get your phone unlock 3- order the special dual umts unlockcable and unlock your phone yourself via the www.UnlockSamsungOnline.nl server option 2 and 3 can also fix your phone when you tried to unlock it with random "wrong" codes
