The Genius toggle in Settings (under Music) seems to do nothing. Is this an iOS 10.2 issue, or just iOS 10 in general?
It's an Apple Music issue. The Genius toggle itself actually doesn't do anything. If you use Apple Music, Genius should've been automatically enabled and disappear.
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Dose not show data!!!
It's supposed to show a message and call button. Try another contact, preferably one stored on your device. Also try rebooting and see if the issue persists.