I hope you don’t have to do it, but you should still know how to reboot the . Assuming yours wasn’t among the batch that was stolen, today might be the lucky day when you take ownership of the latest iOS device.

from https://www.macobserver.com/tips/quick-tip/iphone-x-hard-reboot-the-iphone-x/
https://www.macobserver.com/wp-content/uploads/2017/11/hard_reboot_iPhone_x_-_1-1.jpg?x13795