How do you use air drop on the iPhone?

By John Gassman, 5 October, 2013

Forum
iOS and iPadOS
I've never used this new feature but it sounds interesting. Is air drop an app? I don't see it on any of my screens. where is it located? I read on the Aple site that you double tap the share button. I see those buttons inside of apps like contacts but not anywhere else. A guide or podcast would answer a lot of my questins.

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