iphone 4 white 16gb faulty no service *

my old iphone 4 fully working apart from no signal.i lost and then found the phone but insurance company had already sent the new one and blocked the old one.its in very good condition, has a couple light scratches, selling just the phone no box, charger etc. cash on collection only, no offers. pick up from osterley tube station which is on the picadilly line towards heathrow. thanks for looking at my ad.