You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

📰 Apple introduces the 2025 Black Unity Collection

Inspired by the rhythm of humanity, a new Apple Watch Black Unity Sport Loop, watch face, and iPhone and iPad wallpapers honor Black History Month. Learn more >

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Poor Battery Health and calibration on iPhone XS iOS 15.1

I have been using XS for almost 3 years now and updated to latest iOS version. The battery Health shows its at a healthy 80% capacity but starts lagging and shuts down when the battery nears 20% mark. It wasn’t an issue with iOS 14 but have been facing these problems since updating to iOS 15. Any other person facing similar problems? This needs to be addressed with a software update I believe

iPhone XS

Posted on Nov 7, 2021 12:24 PM

Reply
Question marked as Top-ranking reply

Posted on Nov 7, 2021 12:26 PM

80% is marginal; it’s the point at which Apple recommends replacing the battery. See→iPhone Battery Replacement - Official Apple Support

3 replies

Poor Battery Health and calibration on iPhone XS iOS 15.1

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.