2 x iphone 4 for Galaxy S III ?

Im looking to swap my 2 iphone 4 for a white galaxy s3 prefer unlocked or on vodafone. Black iphone 4 on o2 network perfect condition has had screen protectors on both sides from new not a mark on it. Comes fully boxed with all cables. White iphone 4 on vodafone perfect condition with both protectors on front and back. Not a mark on it. Comes boxed with all cables. Im not looking for any other phones and will not post anywhere Face to face transaction only Txt 07788212414 Thanks