If your iPhone or iPod touch won't charge - Apple Support

How to Fix an iPad, iPhone, or iPod Touch That Won't Charge Anymore « iOS & iPhone :: Gadget Hacks

Close an app on your iPhone or iPod touch - Apple Support (IE)

How To FIX any iPod Touch NOT Charging

If Siri isn't working on your iPhone - Apple Support (CA)

iPhone User Guide - Apple Support (SG)

Mark a device as lost in Find My on iPad - Apple Support

About Optimized Battery Charging on your iPhone - Apple Support

About the 'Trust This Computer' alert message on your iPhone, iPad, or iPod touch - Apple Support

how to fix one air pod that is not playing - Apple Community

9 Reasons Your iPhone Won't Charge and How to Fix It