Hmm I'm not sure mate, I've never done it. I would do something like flash an official firmware on it, make sure you don't have it rooted or lagfixed, and just say you were offered an update through Kies which went well, but then you realised you are simlocked or something.
hey gotts can you help me a bit ............i just wanted to know the procedure for giving ma sgs under warranty to service center
Hey hi need ur help........in hacking section see my post I have Given my imei prob in detail pls help me.....