Apple iphone 4s white 16gb (Warranty till 31 jan 2013) ?

hi there for sale is an iphone 4s in white all boxed in excellent condition i put my own screen protecter on it when i first got it so there no marks on the screen this iphone is on vodaphone i have never checked if this phone is unlocked to all networks grap your self a bargin this phone wont be around for long this phone is still under apple under warrenty till 31th jan 2013 300 pound no offers first to see will buy