iOS 11.3 Battery Health FAQ: What it does and how to use it on your iPhone

The second public beta of iOS 11.3 is available for download, and it brings highly anticipated changes to the Battery settings that let you see your battery health and control throttling. While it doesn’t provide the kind of granular controls some users were hoping for, it will be a welcome addition for people concerned about performance slowdowns. Here’s what you need to know about it:Can I use it on my phone?
Battery Health will show up in your Settings menu for the iPhone 6 or la