About battery and performance - Apple Support

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

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

Share analytics, diagnostics, and usage information with Apple - Apple Support

Customize your Mac with System Settings - Apple Support

About battery and performance - Apple Support (AL)

How to Tell if You Need a New iPhone Battery

I Was a Superman for a Week, According to My Apple Watch - CNET

How To Check Your Apple Watch's Battery Health

Extend iPhone battery life with these 7 tips and tricks - 9to5Mac

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Apple Service Center in New York. Apple Service Center New York is a…, by James Cuban