<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Mon, Mar 27, 2017 at 2:10 AM, Killian Keller <span dir="ltr"><<a href="mailto:keller.killian@gmail.com" target="_blank">keller.killian@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi guys,<br>
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Did you manage to successfully create a connection with the EM7455? I read through the mailing list, tried most of the suggestions, but nothing seems to work for me. Could you point me in the correct direction? I have been trying to get it to work for the last two weeks (and it even worked for half an hour, with an Live-USB of Ubuntu) but I do not get any progress.<br>
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I work on a Lenovo Thinkpad T460s, the wwan module is a Sierra Wireless EM7455. The operating system is Ubuntu 16.04, kernel is 4.8.0-43-lowlatency. ModemManager version 1.6.0, qmicli 1.12.6, mbimcli 1.14.0. No special branches used.<br>
<br></blockquote><div><br></div><div>Killian,</div><div><br></div><div>I got my EM7455 working with Linux 4.10, libmbim-1.14.0, and libqmi-1.17.901. I did not use ModemManager as I was more interested in how things worked with a manual configuration. There were some key points:</div><div>- Lenovo EM7455 (1199:9079) uses MBIM</div><div>- I needed to enable FCC auth using 'qmicli -d /dev/cdc-wdm0 --device-open-mbim --dms-set-fcc-authentication' (verify radio is enabled in both hw/sw states via 'mbimcli -d /dev/cdc-wdm0 --query-radio-state')</div><div><br></div><div>I would recommend building a local updated libmbim/libqmi from source which is fairly straight-forward.</div><div><br></div><div>Tim</div></div></div></div>