I have similar problems but I have Routerboard 912G. It is not reconized. Should it not show up under "interfaces" or "LTE" by itself? I have tried (DIP) SWI9200M_3.5-Release2-SWI9200X_03.05.14.00 SWI9200M_3.5-Release7-SWI9200X_03.05.23.02 SWI9200M_3.5-Release8-SWI9200X_03.05.24....