The iPhone models currently sold on apple.com work with nano-SIM cards from compatible carriers. And they work on many 4G LTE networks around the world. iPhone XS also features eSIM capability, which can be activated with cellular service plans from compatible carriers or providers.* Contact service providers for details.
** The iPhone XS display has rounded corners that follow a beautiful curved design, and these corners are within a standard rectangle. When measured as a standard rectangular shape, the screen is 5.85 inches (iPhone XS) and 6.46 inches (iPhone XS Max) diagonally (actual viewable area is less).