LBR20 does not work with Telenor in Sweden?

Hi! I've been struggling with customer care for a few days now. I have an LBR20 with a Telenor simcard. I live in Sweden, and I need a mobile solution for a few months until I will get fiber. 

Does Netgear support Telenor? It is not on the official list, but I have found several posts of people with Telenor and Netgear routers. The netgear customer service is not able to give me an answer. The simcard works, verified in my phone and multiple times by Telenor. 

I'm sticking with Orbi as my house is already wired up with Orbis, the obvious solution to use a Telenor router is not the right solution here. 

Any help is much appreciated!