Mathieu. I have this problem too. The logs is attached. Thanks!
** Attachment added: "log" https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/861282/+attachment/2614182/+files/log -- 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