This is an original OEM iPhone 6 Battery replacement. It is the replacement needed when your phone\'s battery no longer holds its charge long enough. If your iPhone 6 has been dropped in water or been in a hot environment and no longer holding charge or if for any reason your iPhone 6 runs out of battery quicker than before, this is the part your need to replace.This iPhone 6 battery is easy to replace if you have a basic knowledge of repairs.