Why iOS 11.3 reports battery status 'Maintenance'?
after upgrading to ios 11.3, many of you wonder about the performance reduction feature when the battery is in maintenance status. so why is this message and what does it mean?iPhone using non-genuine battery will not be able to check battery status on iOS 11.3
apple has added a new feature on ios 11.3 called battery status. this feature will display the maximum battery capacity level compared to the original, allowing users to check the