The thoughtful, display-first opening procedure is over with just like that—about as painless as it gets on a water-resistant smartphone.

Apple perfected this design all the way back on the iPhone 5—and thankfully, they've never changed it.

Inside, the XR starts to look more like a fun hybrid between the 8 and the X. We're back to a rectangular battery, but there's also a rectangular logic board.

The question is: How many layers does that logic board have?