samsung s3 in new condition and fully unlocked to all networks £330 ?

had this phone for 1 month, my wife wants iphone 5, so im selling this in order to buy her iphone 5. samsung s3 in new condition, only used a month. fully unlocked to all networks comes complete with box and accessories cash on collection from west london only ealing broadway or south harrow please no timewasters, serious genuine buyers only please