Guys, and Girls!!! why are you paying £50 to £70 for a used k800i???
GO to carphone wharehouse brand new pay as you go k800i start as low as £59.00 when bought with £10.00 credit so £69.00 for a fully garanteed K800i with sim and credit to go!!!!!!
O2, T-mobile, Vodafone all start at £69.00 when bought with £10.00 credit so its £79.00 total for a brand new phone with credit!!!!!
Use your charm and negotiation skills in the shop and they will unblock the phone for free!!