@David-TP Actually, I discovered the Log option in the Web UI yesterday after posting my issue and already created a log using Debug level. I also created screen shots. Meanwhile I got a support...

@David-TP Hi there, it's Frank from Frankfurt, Germany, here. I own a M8550 since early August, it replaces a Netgear M1 in my camper. I came across a compatibility issue with some SIM cards from the...