HTC ONE X ON O2 NEW UPGRADE FOR SWAP +

I HAVE A NEW HTC ONE X ON O2 ONLY USED FOR A FEW DAYS AND AS SUCH IS IN AS NEW CONDITION. EXCELLENT PHONE WITH BEAUTIFUL SCREEN AND BLAZING FAST QUAD CORE 1.5 GHZ CPU ONLY REASON FOR SWAP IS I PREFER IPHONE TO ANDROID I AM LOOKING TO SWAP FOR A IPHONE 4S ON O2 OR FACTORY UNLOCKED. WOULD PREFER WHITE BUT WOULD STILL HAVE BLACK ONE IF IN EXCELLENT CONDITION. WOULD CONSIDER IPHONE 4 AND A BIT OF CASH MY WAY LOOKING FOR SWAP ONLY SO PLEASE NO CASH OFFERS AND THE IPHONE SHOULD BE IN AS NEW CONDITION. NO BLACKBERRYS PLEASE AND NO TIMEWASTERS