They need those calls for 2 reasons. One is to get you going, two is so they log there is a glitch in the works.
In this forum I read that resetting the set to factory and reconnecting to the internet and logging in again to samsung smart hub along with de-authorizing the set and authorizing can work but ask yourself why didn't they make it easier. I have.
Samsung Smart TV.
We have tried unplugging everything, remotes won't work, etc. Cannot get out of this screen for two hours.