If Siri isn't working on your iPhone - Apple Support (CA)
If you see an iPhone or iPad unavailable message or Security Lockout screen – Apple Support (UK)
Learn What to Do If iPod Touch Won't Charge
Why My iPod Touch Won't Charge? 6 Methods to Fix - iMyFone
iPad Won't Charge, iPhone Won't Charge, iPod Won't Charge
iPod Not Charging? 5 Easy Fixes
If a Charging On Hold notification appears on your iPhone or iPad - Apple Support (CA)
How to factory reset your iPhone, iPad or iPod touch - Apple Support (IN)
iPhone vs. Android: Which Is Better for You?
Force restart iPod touch - Apple Support
Close an app on your iPhone or iPod touch - Apple Support (IE)
If the Restore screen appears on your iPhone, iPad or iPod touch – Apple Support (UK)
If your Home Screen icons are magnified on your iPhone, iPad or iPod touch - Apple Support
If your iPod touch won't turn on or is frozen - Apple Support