Closing the loop - managed to get it working by ordering an M4 and using it as the main deco. For some unknown reason the E4 doesn't like Starlink or just can't handle that sort of speed.

Hello, I'm only getting 15mbps through my main deco (tested wireless and Ethernet) of a >200mbps connection through Starlink. I understand I shouldn't get more than around 90mbps with an E4, but I'm...