IPHONE 4 16GB ORANGE NETWORK ?

HI, I HAVE GOT I PHONE4 16 GB IN ORANGE NETWORK FOR SALE.I HAD THIS PHONE FOR ABOUT 8 MONTHS AND WELL LOOKED AFTER AND I HAVE JUST UPGRADED TO IPHONE 5 SO THIS ONE UP FOR SALE.PHONE IS IN VERY GOOD CONDITION,IF ANYONE INTERESTED RING ME ON MY MOBILE 07737301156.THANK YOU