Sony Xperia S 32gb. Like New .O2 . Sale or swap !

Hi i have for sale phone Sony xpeira S 32gb , i phone used 2 month and is in mint condition , Is locked in o2 . i Have for this phone full box : charger , headphones , cable hdmi and usb . phone always have screen protector and case . I want sale or swap for iphone 4s , htc one x or samsung galaxy note