AFAIK, this is indeed just not well supported by ModemManager, so reassigning to the correct package.
Viktor, could you please follow the step listed here: http://live.gnome.org/NetworkManager/Debugging under "Debugging NetworkManager 0.8 and 0.9 3G connections" and provide the debugging logs for modemmanager so we can look at what happens? Thanks! ** Package changed: usb-modeswitch (Ubuntu) => modemmanager (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/861282 Title: 19d2:1015 ZTE K3806-Z network connection established, but does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/861282/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs