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Hardware/Microsoft/Surface Go 2: Difference between revisions

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</syntaxhighlight>After that rebuild your system and reboot the machine.
</syntaxhighlight>After that rebuild your system and reboot the machine.
If the LTE modem does not appear in your network manager directly, a [https://github.com/linux-surface/linux-surface/wiki/Surface-Go-2#enabling-the-lte-modem small workaround script] is required. Add this to your system configuration<syntaxhighlight lang="nix">
systemd.services.lte_modem_fix = let
  modemFixScript = pkgs.writeScriptBin "fix_lte_modem" ''
    #!${pkgs.stdenv.shell}
    echo -n 16383 > /sys/bus/usb/devices/2-3:1.0/net/wwp0s20f0u3/cdc_ncm/rx_max
    echo -n 16383 > /sys/bus/usb/devices/2-3:1.0/net/wwp0s20f0u3/cdc_ncm/tx_max
    echo -n 16384 > /sys/bus/usb/devices/2-3:1.0/net/wwp0s20f0u3/cdc_ncm/rx_max
    echo -n 16384 > /sys/bus/usb/devices/2-3:1.0/net/wwp0s20f0u3/cdc_ncm/tx_max
  '';
in {
  wantedBy = ["multi-user.target"];
  serviceConfig = {
    Type = "oneshot";
    ExecStart = "${modemFixScript}/bin/fix_lte_modem";
  };
};
systemd.services.ModemManager.wantedBy = ["multi-user.target"];
</syntaxhighlight>It will take a couple of seconds for the modem to appear.
[[Category:Hardware]]
Retrieved from "https://wiki.nixos.org/wiki/Hardware/Microsoft/Surface_Go_2"