So far, we're really only interested in the "modem" and "pcui" ports. root@9d52738:/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4# find . -name interface|sort ./1-1.4:2.0/interface ./1-1.4:2.1/interface ./1-1.4:2.2/interface ./1-1.4:2.3/interface ./1-1.4:2.4/interface ./1-1.4:2.5/interface ./1-1.4:2.6/interface root@9d52738:/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4# find . -name interface|sort|xargs cat CDC Ethernet Control Model (ECM) CDC Ethernet Data Huawei Mobile Connect - Modem Huawei Mobile Connect - Application Huawei Mobile Connect - Pcui Huawei Mobile Connect - Ctrl Huawei Mobile Connect - Serial B Fixes https://gitlab.freedesktop.org/mobile-broadband/ModemManager/issues/170