Apple Iphone 4S 64GB MAY SWAP .

HI IM SELLING AN IPHONE 4S 64GB ITS BLACK COMES WITH BOX AND CHARGER THE PHONE IS IN BRILLIANT CONDITION THE ONLY THING WRONG WITH IT IT COMES UP ERROR MDSC WHEN TRYING TO GET ON APP STORE AND CAN B FIXED IF YOU TAKE IT TO A SHOP . THE PHONE IS ON O2 NOT TOO SURE IF ITS OPEN PLEASE EMAIL OR CALL ME AS I CAN ONLY TEXT GIFFGAFF NO TIMEWASTERS PLZ X