The solution for this is in modemmanager, not NM, as well as a kernel module available here:
https://github.com/mkotsbak/Samsung-GT-B3730-linux-driver and soon to be submitted upstream (which will also need to be backported to solve this bug). ** Package changed: network-manager (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/710237 Title: Missing support for Samsung GT-B3730 LTE USB modem -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
