Please be informed that modemmanager is updated to 1.2 version, but I have the same issue.
Modemmanager debug log is attached. ** Attachment added: "modemmanager Debug log attached." https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1349100/+attachment/4164368/+files/modemmanager.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1349100 Title: 3G modem e176g issue To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1349100/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs