@Kevin_Z They are kind of the same. I've checked with Telenor and they couldn't solve it so they sent me a new simcard. Installed it today and it still works fine so hopefully that was the problem.

After 10 months of working without problems my Archer MR400 suddenly by itself changes the network provider, from Telenor wich is my provider to Glocalnet, wich means it looses connection to...