How to check battery status and turn off iOS 11.3 performance
on ios 11.3, there has been a new feature to check the battery status on the device attached, which is to turn off the iphone performance reduction feature.
Tags : how to upgrade ios 11.3
How to downgrade iOS 11.3 to iOS 11.2.6
ios 11.3 has officially launched users to upgrade and experience new features. however, if you do not want to use this version, you can downgrade to ios 11.2.6.