Looks quite good in the log, but could you post the part of "lsusb -v" for the unit? I'm wondering if it is missing a network interface, as it tries to dial using "*99#".
** Changed in: modemmanager (Ubuntu) Status: New => Incomplete ** Description changed: There is no internet connection. My mobile broadband LTE modem is Huawei E3272. Attached a syslog. Ubuntu 14.10 modemmanager 1.2.0-1 + + This might contain useful information: + http://askubuntu.com/questions/525965/huawei-e3272-ubuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1404068 Title: No internet connection with Huawei E3272 4G modem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1404068/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs