Battery health

If your battery health falls below 80 percent, you should have your battery replaced. Learn more: https://www.apple.com/batteries/service-and-recycling/

Jeanpamerangas23 Said:

"Battery health: Why my battery health of iPhone 7 is very past to low battery health?"

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Either: (A) Take this as a good reason to upgrade to a much newer iPhone, or (B) get the battery replaced.

New Battery:

Important: If you get the battery replaced, you need get a genuine battery. If you do not get a genuine battery, then you will get a message not going away about not have a genuine battery. So, have Apple replace it, or take it to an AASP (Apple Authrozed Service Provider_