For all those of you who bought a Samsung D900 from phones4u and want it unlocked here you go.
To unlock your Samsung D900 simply follow these instructions.
1) Remove current SIM card from phone
2) Turn phone on - it should say something like 'insert SIM'
3) Enter the code *7465625*28782#
4) It should say 'Network lock requisite' - this means your phone is unlocked.
5) Replace with any SIM card you want.
Please leave rep where its due