So, your new iPhone 5 is acting quirky, and you want to make an appointment at the Genius Bar to see what's wrong with it. You go to the Apple website, enter the location of your local store and let the concierge know what device you want to get help with ... and you're promptly greeted with the window seen above, asking you to reset your iPhone before continuing.
This little trick often does help, and it's not surprising that a lot of new iPhone customers don't know about this. As Reddit user ehsteve23 pointed out in the first of 368 comments on brewstah's post of this screen on imgur.com, "Suddenly the number of Genius Bar appointments fall by 30%.
[Source: TUAW]