my iPhone 6s thinks it’s an iPhone x having the bar at the bottom

[iTom17]

Just noticed that mail on my 6s+ is rounded corners at the top on b1
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I saw the same thing the other day in another app. Don't remember which one, but could've definitely been Mail too. I'm however using iOS 11.0.1, so that's even more strange.

 

[DNichter]

Had this on mine as well. For those worried about how it will work on the X, it won't overlap on other UI elements. It always has a designated space.

 

[itsmilo]

The bar has always its space and is not intersecting with functions

Hmmm so even less usable space

 

[Ladybug]

Looks like your phone is suffering from a bit of identity crisis.