APPLE IPHONE 3G 8GB IN GOOD CONDITION ON 02 ?

APPLE IPHONE 3G 8GB IN GOOD USED CONDITION ITS ON 02. PHONE IS IN BOX AND WITH USB CHARGER.PHONE ON/OFF FINE BUT THIS PHONE COMES UP TO SCREEN WHICH SAYS NEED RESTORING FROM ITUNES I DID TRY TO DO THAT BUT I CAN NOT DO IT AND I THINK ITS BLOCKED IT CAN NOT BE USED IN UK.MAY WORK ABOARD BUT I DON`T NOW. 75 OVNO NO SILLY OFFERS PLEASE AND NO TEXTS OR TIME WASTER CASH ON COLLECTION ONLY SOLD AS SEEN PLEASE CALLS ONLY NO WITH HELD NUMBERS OR TEXTS I WILL NOT ANSWER 07913674621 THANKS