Every time I start Smart Hub about 30 seconds later it reboots my TV. Can’t get into Netflix or Youtube or anything. Tried full reset of TV and still the same, do I need a new TV?

TV model UE46F6400

Very similar issue to https://eu.community.samsung.com/t5/tv/smart-hub-causes-tv-to-restart-2013-smart-tv-models-uexxfxxxx...