I have a problem regarding remote access

I am using my cell phone with the option (USB tethering) since it is much faster, it is like a USB wifi adapter, the thing is that I get this


Is there a way to use my cell phone as a WiFi hotspot?

Mobile devices for the internet typically use CG-NAT, so you’ll likely be unable to port forward. Did you know you have to port forward so that your Plex will be connectable from the internet?