iPhone 4 32gb boxed in good condition for sale or swap with money *

iphone 4 black 32gb good condition no scrapes on the screen few scrapes on the rear glass usual wear and tear boxed with usb and wall adapter and manuals iOS6 year and a half old works 100% only reason im wanting to sell or swap is because I got a new contract and need a phone that is unlocked. Will give cash with my iPhone for a galaxy s3 or iPhone 4S 32gb 07564610336