How old are they? I would say likely the battery went bad. Check if they are still in warranty if not, it might be hard to change and find a new battery for them.
everything perfect but Touch ID does not work. I think it's iOS 10 a lot of people who repair dozens of iPhones are saying Touch ID doesn't work after it gets unplugged.
everything perfect but Touch ID does not work. I think it's iOS 10 a lot of people who repair dozens of iPhones are saying Touch ID doesn't work after it gets unplugged.