Exactly the same issue with my Fold4 after latest update. WiFi not finding any network, hotspot not working. Bluetooth iffy, can't connect to my Samsung watch. It's still working using my mobile data but battery draining quicker and mobile getting hotter. I have tried most of the suggestions on the various forums but no success. The last thing is full factory reset. I don't think it'll work. I'm already resigned to booking a slot to samsung store to get fixed.
