Unwanted upgrade from O2 in Black 16gb memory storage ?

Unwanted upgrade from O2 in Black 16gb memory storage iPhone 4s, as you will see from the photo it comes in the original box which was only opened to unlock the phone by O2 themselves permenantly. This phone is brand new and still has it original dispatch covers and receipt waiting for the owner to activate. It is guaranteed by Apple so if there is a problem you are covered. Comes with all accessories, charger, USB cable and ear phones. In the photo the box is under the phone. WARRANTY TIL 25.07.13 Trusted seller whom will answer any qestions