My phone is not working is run diagnostics

"My phone is not working is run diagnostics"

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Now working? How so? To run diagnostics software, you'll need to have this up and running. Elsewise it's hardware diagnostics.

Get your iPhone Serviced:

To get this diagnosed hands-on, get the serviced by Apple or an AASP:

A. Take to an Appel store:

You'd setup a Genius Bar Appointment at your local Apple Store, taking it in for service. There, it will be diagnosed, and you'll be provided with your options.

Or...

B. Take this to an AASP:

See an AASP (Apple Authorized Service Provider) in your local area...

Contacting an AASP: 

1. Go Here: Find Locations - Apple Authorized Reseller
2. Click: Service & Support
3. Enter: your location information
4. See: if there is an AASP nearby
5. Contact: an AASP that shows up, and find out more about the services that they offer to fix the iPhone

What’s an Appel store and why would they work on an Apple device?