iphone 4 16gb unlocked to all networks, LOGIC BOARD(motherboard) !

iphone 4 16gb unlocked to all networks mother logic board for iphone all u need is a casing and u have a new phone. please only call or text me if you know what this item is!!!!! callers asking me what it is will be ignored this item must be installed by someone who knows what they are doing!! collectionm from west london only