gistfile1.txt

  networking.networkmanager = {
    enable = true;

    # Let's just use networkmanager for modem support for now
    unmanaged = [ "wlan0" ];
  };

  systemd.services.NetworkManager.requires = [ "ModemManager.service" ];
  systemd.services.ModemManager.requires = [ "rmtfs.service" ];

  # Workaround broken sim detection on UF896
  systemd.services.qmi-uim-powercycle = {
    enable = true;

    after = [ "sys-subsystem-net-devices-wwan0.device"]; # dev-wwan0qmi0.device" ];
    bindsTo = [ "sys-subsystem-net-devices-wwan0.device"]; # dev-wwan0qmi0.device" ];

    before = [ "ModemManager.service" ];
    wantedBy = [ "ModemManager.service" ];

    path = [ pkgs.libqmi ];

    script = ''
      qmicli -pd /dev/wwan0qmi0 --uim-sim-power-off=1 && qmicli -pd /dev/wwan0qmi0 --uim-sim-power-on=1
    '';

    serviceConfig = {
      Type = "oneshot";
      RemainAfterExit = true;
    };
  };