One has the choice to pay $79. But you don't have to: https://www.ifixit.com/Guide/iPhone+6+Battery+Replacement/29363 https://www.ifixit.com/Guide/iPhone+6+Bat

One has the choice to pay $79. But you don't have to: https://www.ifixit.com/Guide/iPhone+6+Battery+Replacement/29363 https://www.ifixit.com/Guide/iPhone+6+Battery+Replacement/29...