I have had AN iPhone X for over 3.5 months (had one since the release date). To say the least this was the worst experience as I had to get a second (replacement) iPhone X, two and a half months later. Originally, I created a quick vid on the issue that led to me having to get a replacement...
Can you make an appointment with Apple for them to run a diagnostic test on your product, to see if everything is running fine? I want to take in my iPhone X near the end on the one-year purchase period to see if anything is wrong with it, and get it replaced if nescccary. I also have a MacBook...