Mint 64Gb iPhone 4S only 3 months old! on O2 .

I have a mint 64Gb model which I got as an upgrade on my O2 contract. I have just purchased the iPhone 5 which is the only reason this is for sale. The phone is boxed with all BRAND NEW NEVER OPENED accessories as I charged the phone with my other iphone charger. There is Apple warranty remaining until 18th June 2013! Offers over 400