http://www.techradar.com/news/latest-ios-patch-keeps-your-iphone-x-display-from-freezing-up-in-cold-weather

For such a cool device, the iPhone X hasn't been doing very well in the cold.

We recently reported that some users discovered that the new handset's display would freeze up when the temperatures jumped to freezing after walking outside, but a fix is fortunately already here.