iPhone X in 2018 will stay the same as the original model but with a smaller notch, This year you will see three new iPhones, two with OLED displays and one with an LCD display.
According to a recent report, he 2019 iPhone range will have a smaller notch at the top of the device than the current range. Apple will be combining the facial recognition module of the handset and also the front camera, which will make the notch smaller and less prominent.
How Apple will be able to combine its facial recogntion technology and the front camera on the iPhone into one module is not clear as of yet. We are also hoping Apple to release a new iPhone SE this year.