I was shown this message in settings and battery
i was shown this message in setting and battery section
this iPhone is unable to determine battery health.an apple authorises service provider can service the battery..
iPhone 6s Plus, 14
Question marked as
That means it's time to have Apple see the phone to determine if you need a new battery. If you do, they'll offer the opportunity to pay for a new battery. Or, since this is a pretty old phone, you may decide it's time to buy a newer, more modern phone.