I have the same issue with this kind of device and I've opened a bug for NetworkManager. https://bugzilla.gnome.org/show_bug.cgi?id=705716
** Bug watch added: GNOME Bug Tracker #705716 https://bugzilla.gnome.org/show_bug.cgi?id=705716 -- 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
