MY BOYFRIENDS IPHONE(OLDER VERSION) WAS RUNNING LOW ON BATTERY BUT HE DIDN'T CHARGE IT! WHEN IT TURNED OFF FOR LACK OF CHARGE HE PLUGGED IT IN TO THE WALL CHARGE BUT IT DOESN'T TURN ON. THE SILVER APPLE COMES UP THEN TURNS BACK OFF. THE POWER KEY ON THE TOP RIGHT HAND CORNER DOESN'T WORK FOR...