https://techcrunch.com/2017/11/03/iphone-x-teardown-finds-major-changes-inside-the-gleaming-exterior/

The iPhone 8 may have been filled with the expected kit, but we’ve all been looking forward to finding out what fun Apple’s engineers had putting together the all-new iPhone X — and it doesn’t disappoint. iFixit’s excellent-as-always teardown finds a wealth of strange new components inside the biggest redesign of the device in years.

Right off the bat there’s an interesting and first-time choice to split the battery into two parts — it’s mainly just to better use the space that’s left over after budgeting for the volume of the other parts. It still comes out as a single piece, just a little more L-shaped than the usual rectangle.