In fact, this bug was discovered by users in December last year and was reported back to the official Apple forum.A user named Rakeshvma Tucao own iPhoneX ringtones have been ringing, but I did not find it To answer or hang up the phone button, sometimes the button will be displayed after 6-8 seconds.After each restart the problem is automatically resolved, but after a call this bug will appear again.
Subsequently, this post received more than 750 replies, all reflect that they have also encountered a similar problem, some users said that Apple has given him to replace a new machine, but there is still this bug, and some users said that recovery Factory settings can temporarily solve the problem, but only for two days, followed by the same failure.
In addition, some users said that the iPhone X sensor has some bugs while answering the phone. When the call is finished and the user pulls the phone out of the ear, the iPhone X will always be black and the normal screen will not be displayed.
Earlier, the Financial Times said it has contacted Apple Inc. According to the Financial Times, Apple said it was "investigating these" but did not explain any reasons for the BUG and when it could be fixed.