About battery and performance - Apple Support

Learn about the battery and performance of iPhone 11 models and later.

iPhone Battery and Performance - Apple Support

How to Tell if You Need a New iPhone Battery

How to chat live with Apple Support on the web or your device

How to Disable Apple's Performance Management Features in Older iPhones in the iOS 11.3 Beta - MacRumors

Activity Monitor User Guide for Mac - Apple Support

iPhone Battery and Performance - Apple Support

Use Continuity to work across Apple devices - Apple Support

How to Tell if You Need a New iPhone Battery

What's new in iPadOS 17 - Apple Support

iPhone parts and service history - Apple Support

Console User Guide for Mac - Apple Support

Set graphics performance on MacBook Pro - Apple Support

How to chat live with Apple Support on the web or your device

iPhone Battery Health explained: How you can control it