This modem, the Huawei E156G, is not listed upstream https://live.gnome.org/NetworkManager/MobileBroadband
as a supported model. Please file a request in the upstream bug tracking system https://bugzilla.gnome.org/browse.cgi?product=NetworkManager asking for your modem to be supported. ** Changed in: network-manager (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/825832 Title: Modem E156G not woking modem-manager loop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/825832/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs