Apple iPhone 4S (Latest Model) - 16GB - White(Vodafone) Smartphone *

Hello I am selling iphone 4s 16 GB white Phone is locked on vodafone Phone is a like a brand new and accessories never used It has warranty till December 2012 The reason for selling iphone cheaper is that iphone has a fault I bought this Iphone from ebay few days ago from ebay phone and every thing working perfect but when i play video on utube then volume option doesnot comes up or if i make video recording then the issue remain same other then it works perfect you can make or receive calls siri works perfect. I have not a good knowledge of iphones so i dont know how to fix it thats why i tough i will it cheaper Thanks Mine number is 07501068167