Erased and reinstalled OS at last 10
times. Apple sent it off for repairs twice. They couldn’t find any issues but still replaced logic board and touchpad both times. It still came back with same problems of freezing as soon as I used keyboard or touchpad. I was without a usable machine for almost two months from I bought it new. Spent many hours on phone with Apple support who didn’t have a clue and passed me around, often never getting back to me. They constantly refused to exchange it even though it was obvious the machine was a dud. Eventually they relented and I finally got a replacement. It works fine just as it should. And that was on 11.1 I remain convinced it was a hardware issue.