Sorry, my message disappeared in a crappy paste. I tried the package versions you mentioned @djao, but had no success.
Sep 1 17:29:47 x1c NetworkManager[2651]: <warn> [1472743787.0194] (cdc-wdm0): failed to connect modem: Unknown error (50) Sep 1 17:29:47 x1c NetworkManager[2651]: <info> [1472743787.0194] device (cdc-wdm0): state change: prepare -> failed (reason 'unknown') [40 120 1] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1579290 Title: Sierra EM7455 not working usbutils To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/usbutils/+bug/1579290/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
