The video was posted to Instagram but then deleted; however, a reddit user (anonymousedave52) had saved the video before its deletion and reloaded it to the site.
I'm not sure why people are inboxing me and asking, just to clarify it is not my video, I got if off instagram and it was quickly removed after I saved it but I do sometimes post similar things on my twitter
As you can see in the video below, the device has a dynamic wallpaper consisting of circles in various colors and shades of red. This wallpaper may be exclusive to the iPhone X.
Take a look below!