I’ve got an RB433UAH connected to the NextG network using USB port + PPP client. Easy and works great. Until you upgrade past 5.14. Then you lose the ability to connect to the USB port with the modem and instead get a new LTE interface. I’ve played around but have not yet been able to figure out how to connect it to the net. Nothing in forum or on Wiki gives answer either. Has anyone figured this out yet?
I think you will find that if you go to ip dhcpclient and add an entry for the lte interface it will all work.