Does not work here, too :-( Ubuntu 21.04 (upgraded) HP EliteBook 840 G3
after adding udev rule I get dmesg error: [ 1318.326793] usb 1-3: unknown number of interfaces: 5 [ 1318.333270] qmi_wwan 1-3:1.1: cdc-wdm0: USB WDM device [ 1318.333610] qmi_wwan 1-3:1.1 wwan0: register 'qmi_wwan' at usb-0000:00:14.0-3, WWAN/QMI device, fa:9c:a4:df:ff:eb [ 1318.333702] qmi_wwan 1-3:1.2: bogus CDC Union: master=0, slave=0 [ 1318.334491] qmi_wwan 1-3:1.2: cdc-wdm1: USB WDM device [ 1318.334790] qmi_wwan 1-3:1.2 wwan1: register 'qmi_wwan' at usb-0000:00:14.0-3, WWAN/QMI device, fa:9c:a4:df:ff:eb [ 1318.334870] qmi_wwan 1-3:1.3: bogus CDC Union: master=0, slave=0 [ 1318.336461] qmi_wwan 1-3:1.3: cdc-wdm2: USB WDM device [ 1318.336702] qmi_wwan 1-3:1.3 wwan2: register 'qmi_wwan' at usb-0000:00:14.0-3, WWAN/QMI device, fa:9c:a4:df:ff:eb [ 1318.339062] qmi_wwan 1-3:1.4: bogus CDC Union: master=0, slave=0 [ 1318.339838] qmi_wwan 1-3:1.4: cdc-wdm3: USB WDM device [ 1318.340172] qmi_wwan 1-3:1.4 wwan3: register 'qmi_wwan' at usb-0000:00:14.0-3, WWAN/QMI device, fa:9c:a4:df:ff:eb [ 1318.370397] qmi_wwan 1-3:1.1 wwan0: unregister 'qmi_wwan' usb-0000:00:14.0-3, WWAN/QMI device [ 1318.389216] qmi_wwan 1-3:1.2 wwan1: unregister 'qmi_wwan' usb-0000:00:14.0-3, WWAN/QMI device [ 1318.413358] qmi_wwan 1-3:1.3 wwan2: unregister 'qmi_wwan' usb-0000:00:14.0-3, WWAN/QMI device [ 1318.437003] qmi_wwan 1-3:1.4 wwan3: unregister 'qmi_wwan' usb-0000:00:14.0-3, WWAN/QMI device -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574582 Title: HP lt4120 Snapdragon X5 LTE USB modem not recognized by network- manager To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1574582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs