never trust those sites. they are always scammers. EVERY ONE OF THEM. only trust those who provide free tools. people who claim they have 4.0.2 unlock will take your money and give you one of those free tools that dont work with 4.0.2 and they your screwed you lose the cash.
Ive been emailing them,and thay cant unlock 4.0.2,so i guess as you say,they are using the same method that are out there for everyone for free.
I wonder how the carriers can unlock iphones for good after the time is out for there plan(12 month or 24)?
Shouldnt such a thing be availble out somewhere?
i wondered the same thing at a time when i used to have a locked phone in 2007. but they do have a way to make it unlocked i think the imei number from your phone thats used to talk to the servers from itunes they have a bunch of sim free numbers and when yours matches up with the sim free list then you can just upgrade all you want. i think thats how it works any way maybe some one will correct me but thats what i was told.
so on their site they say they can and then tell you that you cant, so those who dont even ask just pay and end up with nothing like i knew...
they use free methods and then charge for it.. so avoid them sites