Face ID for iPhone X stopped working with iOS 11.2 update

It promised to be a futuristic solution to securing your phone but Apple's Face ID is causing problems for some of its users. Since the release of the latest version of iOS, many iPhone X customers have been unable to activate the facial recognition feature. Affected handsets display the message'Unable to activate Face ID on this phone', but a simple trick could help to correct the error. It promised to be a futuristic solution to securing your phone but Apple's Face ID is causing problems for some of its users. Affected handsets display the message'Unable to activate Face ID on this phone', but a simple trick could help to correct the error To perform a hard reset, turn off the iPhone X by holding down the side button along with either volume button.