Can't connect to WiFi or Bluetooth, how do I fix?

I am trying to fix an OnePlus 7t that for some reason does not have Wifi or Bluetooth capabilities. Settings crash when I attempt to use either. I have tried to go through OnePlus, but all of their troubleshooting methods have failed. I sent it out for repairs, but OnePlus quoted me for parts that were not faulty so I’ve had no luck there either.

Does anyone know what could be causing this? I can’t tell if its a physical issue, or if it’s a bug.