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I installed xenial (xubuntu) on my Lenovo x220 and all works well. I also setup my broadband network interface to use T-Mobile and connection works. But after reboot or hibernate I ever have to restart network-manager service to see the broadband interfaces in nm-applet.

What have I to configure to see my broadband device directly after reboot or resume from hibernate?

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  • Same exact issue here (Ubuntu & Xubuntu), i ended creating a shortcut for FN + F9 which executes pkexec sudo systemctl restart network-manager.service. Sometimes I also have some WiFi problems if I reboot with it (soft)disabled. Maybe someone can throw some more light into this...
    – dgonzalez
    Jan 16, 2017 at 3:16
  • I also observed this: if enable the option autoconnect to this network it connects even if is not showing at all. I'm doing my tests with nmcli radio wwan off && nmcli radio wwan on and other nmcli commands which seems to be a cleaner solution...
    – dgonzalez
    Jan 16, 2017 at 14:54

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