I’ve added a link to a screen capture, this is my first 4G Router build using OpenWRT and I’m not sure what’s wrong with the Firmware… Anyone have any thoughts on this one?
It might have something to do with the Dialout Group Permissions since USB1 won’t read…
Not sure the GoldenOrb or OpenWRT firmware, but can you try using other port number?
If it uses AT command, you may better try /dev/ttyUSB0 or /dev/ttyUSB2 (depends on configuration).
Hope it helps.