Having issues with your Face ID for your iPhone X? Don't worry, tons of other people may be, too, since Apple just confirmed there's a bit of a bug with it. Sometimes, a malfunction of the rear camera will cause an issue with the front camera recognizing faces.
The GOOD part is if you're having this issue, bring it to an Apple store, because the higher-ups have instructed employees to just do a full replacement of the unit. Soooo, hello brand new iPhone X for ZERO DOLLARS!