Create new udev rule /etc/udev/rules.d/81-blacklist-modemmanager.rules with this content: ATTRS{idVendor}=="201e", ATTRS{idProduct}=="1022", ENV{ID_MM_DEVICE_IGNORE}="1" Reload udev & plug-in the modem Voila…. ref: http://cgit.freedesktop.org/ModemManager/ModemManager/tree/src/77-mm-usb-device-blacklist.rules =-=-=-=-= Powered by Blogilo