this is what I found
http://cgi.ebay.co.uk/UNLOCK-SIM-CAR...e76ca7fee71466

if any admin does not want it displayed, ill delete it, but I was just wondering about its purpose, if it unlocked the phone, acted as a sim, or did both? ...and if so, how I would go about choosing a network etc.

I will prob end up trying a friends sim, as long as it doesnt mess my phone up-but that still wont tell me if its locked or not to anyone specific. I will use it only on pay as you go (not a contract), so still need to find out if sending to another network for even text messages on pay as you go phones (no contract) can be far more expensive or not

thanks