YOU CANNOT UNLOCK BY CODE.. PLEASE READ THE OTHER TOPICS there are 3 options you have: 1 Ask your provider for the code (usualy around 100 euro) 2 go to your local unlock-shop 3 Do it yourself via online server at http://www.UnlockSamsungOnline.nl/eng for option 3 you need orriginal samsung data-cable you got with the phone.. login on the client, select your model.. and press unlock wait 20 seconds and your done..