React Native: Unwanted Black border on ipad 2 simulation

Go to Build Settings Type Targeted Device Family in search bar Select 1,2

Run the project it should resolve your issue.

The application was being built as an iphone app, but deployed/displayed to an ipad. I see the 1x / 2x button. This was causing it. So: how do I configure xcode that it is actually an ipad app? See url below: