https://devzone.nordicsemi.com/f/nordic-q-a/115371/nrf9161-simply-doesn-t-workSetup: custom nrf9161 PCB, flashed with nrf9161 modem fw 2.0.1, using NCS 2.6.1 Targeting my custom board, I couldn&#39;t even speak to the modem lib, no IMEI etc. So I dug up a nrf9161dk, flashed the same modem fw and flashed it with stock NCS samplesen-USTelligent Community 13Mon, 21 Oct 2024 16:48:01 GMThttps://devzone.nordicsemi.com/thread/507197?ContentTypeID=1Mon, 21 Oct 2024 16:48:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7159262d-212e-40bc-b30a-f84a06b51897benjamin-eub<p>It was the IMEI thing.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/506902?ContentTypeID=1Fri, 18 Oct 2024 12:05:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0f8a20f3-ff29-4fb4-882e-d18fde779cd9JyriLehtinen<p>nRF9161 doesn&#39;t ship with IMEI written on it, you need to write it yourself.&nbsp;(nRF9161DK has the IMEI written already). Not sure if that&#39;s your only issue, but sounds like it&#39;s one of them<br /><a href="https://docs.nordicsemi.com/bundle/nrf-cloud/page/ImeiManagement/ImeiOverview.html">nRF Cloud IMEI services (nordicsemi.com)</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/505647?ContentTypeID=1Thu, 10 Oct 2024 05:15:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:569afdf5-d048-48d0-840b-70b102460095Achim Kraus<p>For which board do you build your app?</p> <p>If that board is based on a nRF9160, it won&#39;t work on a nRF9161, you need to use a nRF9161 board.</p><div style="clear:both;"></div>