Apple iPhone, when to replace the battery. When battery healthy says “Service”, unable to determine battery health
Apple iPhone, when to change the battery. When battery healthy says “Service” On my iPhone 6S by going in Settings -> Battery, it does not show anything, just a line(—) If your iPhone uses iOS 10.2.1 through iOS 11.2.6, this notice might appear in Settings > Battery: “Your iPhone battery may need to be serviced.”…