Hi Bjørn, I can't answer your Questions. Do you recommend / know a usb-sniffer for Win8? In the meantime, I have got the first ipv4-connection: hpmini:~ # mbim-network /dev/cdc-wdm0 start Loading profile... APN: internet.telekom Querying subscriber ready status 'mbimcli -d /dev/cdc-wdm0 --query-subscriber- ready-status --no-close'... [/dev/cdc-wdm0] Subscriber ready status retrieved: Ready state: 'initialized' Subscriber ID: '262012740108472' SIM ICCID: '89490200000694606885' Ready info: 'unknown' Telephone numbers: (1) '+4915127093679' [/dev/cdc-wdm0] Session not closed: TRID: '3' Saving state... (TRID: 3) Querying registration state 'mbimcli -d /dev/cdc-wdm0 --query-registration- state --no-open=3 --no-close'... [/dev/cdc-wdm0] Registration status: Network error: 'unknown' Register state: 'home' Register mode: 'automatic' Available data classes: 'lte' Current cellular class: 'gsm' Provider ID: '26201' Provider name: 'TDG' Roaming text: 'unknown' Registration flags: 'none' [/dev/cdc-wdm0] Session not closed: TRID: '4' Saving state... (TRID: 4) Attaching to packet service with 'mbimcli -d /dev/cdc-wdm0 --attach-packet- service --no-open=4 --no-close'... Saving state... (TRID: 5) Starting network with 'mbimcli -d /dev/cdc-wdm0 --connect=internet.telekom -- no-open=5 --no-close'... Network started successfully Saving state... (TRID: 6) hpmini:~ # (dhcp at wwan0 was ok) Thomas -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html