APPLE IPHONE 4S 16GB SPRINT (USA) "NOT WORKING FOR PARTS IN INDIA

BOUGHT FROM USA.  THIS PHONE IS WATER DAMAGED. THIS PHONE IS FOR PARTS ONLY OR REPAIR !! PHONE DOES POWERS ON. BUT THE TOUCH SCREEN DOES NOT RESPOND. ON THE SCREEN, IT SHOWS ACTIVATION REQUIRED. USES SPRINT OF USA. IN THIS CONDITION, WHEN FULLY CHARGED, BATTERY LASTS FOR  NEAR ABOUT 1 DAY. SO THERE MAY BE A PROBLEM WITH TOUCH SCREEN OR IT CAN BE PROBLEM WITH MOTHER BOARD.   PHONE COSMETIC IS IN VERY GOOD CONDITION IT'S ALWAYS BEEN IN THE PHONE CASE. FEW LIGHT SCRATCHES! COME WITH ORIGINAL BOX AND WORKING CABLE AND CHARGER(USA TYPE). ANY QUESTION PLEASE ASK BEFORE BUYING!! THANKS!!