Edit file File name : 77-mm-gosuncn-port-types.rules Content :# do not edit this file, it will be overwritten on update ACTION!="add|change|move|bind", GOTO="mm_gosuncn_port_types_end" SUBSYSTEMS=="usb", ATTRS{idVendor}=="305a", GOTO="mm_gosuncn_port_types" GOTO="mm_gosuncn_port_types_end" LABEL="mm_gosuncn_port_types" SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}=="?*", ENV{.MM_USBIFNUM}="$attr{bInterfaceNumber}" # Gosuncn GM800 # Interfaces #3 and #4 are MBIM ATTRS{idVendor}=="305a", ATTRS{idProduct}=="1405", ENV{.MM_USBIFNUM}=="00", ENV{ID_MM_PORT_IGNORE}="1" ATTRS{idVendor}=="305a", ATTRS{idProduct}=="1405", ENV{.MM_USBIFNUM}=="01", SUBSYSTEM=="tty", ENV{ID_MM_PORT_TYPE_AT_PRIMARY}="1" ATTRS{idVendor}=="305a", ATTRS{idProduct}=="1405", ENV{.MM_USBIFNUM}=="02", SUBSYSTEM=="tty", ENV{ID_MM_PORT_TYPE_AT_SECONDARY}="1" ATTRS{idVendor}=="305a", ATTRS{idProduct}=="1405", ENV{.MM_USBIFNUM}=="05", ENV{ID_MM_PORT_IGNORE}="1" LABEL="mm_gosuncn_port_types_end" Save