IPHONE 4S 16GB WHITE WARRANTY UNTIL APRIL 2013 ?

UP FOR SALE IS AN IPHONE 4S 16 GB IN WHITE, I BOUGHT THIS OF EBAY A FEW DAYS AGO WITH THE INTENTIONS ON REPAIRING BUT HAVE DECIDED TO BUY A SAMSUNG PHONE INSTEAD, AS YOU CAN SEE IN THE PICTURES THE FRONT SCREEN IS CRACKED, I WAS ALSO TOLD THAT IT COULD POSSIBLY HAVE SIGNAL ISSUES OR SOMETHING BUT NOT SURE, (IT MAY BE WORKING FINE) I HAVE TESTED ALL FEATURES WITHOUT A SIM CARD AND IT ALL WORKS PERFECT, IT COMES BOXED WITH ALL ACCESSORIES, INCLUDING, CHARGER, EAR PHONES, SIM REMOVAL TOOL. APPLE STICKERS.. ETC... PHONE IS IN VERY GOOD CONDITION OTHER WISE, WARRANTY IS ALSO VALID UNTIL APRIL 2013. I HAVE BEEN TOLD AS ITS UNDER WARRANTY APPLE DO REPLACE THESE HANDSETS NO SILLY OVERS OR PEOPLE WANTING IT SENDING ABROAD CASH ON COLLECT 250 ONO