I had the same issue updating to 11.49 on a 2017 S with FSD. No FSD or AP would work, tried to reset camera calibration and it was stuck at 0%.
After a week tesla remotely sent 3 Updates that I had to install one after another and it was fine after that.
After a week tesla remotely sent 3 Updates that I had to install one after another and it was fine after that.