https://devzone.nordicsemi.com/f/nordic-q-a/62802/nrf9160-nb-iot-connect-issue---urgentHi , We are facing a problem with cellular connection in NB-IOT mode on NRF9160. We are trying with the asset tracker sample , but cellular connection does not happen. Can some one please help to look at our logs and let know if the carrrier we areen-USTelligent Community 13Thu, 25 Jun 2020 05:27:17 GMThttps://devzone.nordicsemi.com/thread/256801?ContentTypeID=1Thu, 25 Jun 2020 05:27:17 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b75ffbfb-74ad-4243-b794-0ca18a9c8162Aswin P V<p>Thanks for the response.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/256263?ContentTypeID=1Mon, 22 Jun 2020 15:35:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e868e827-95e0-4b30-a213-5225eab2303aH&#229;kon Alseth<p>Hi,</p> <p>&nbsp;</p> <p>The log shows:</p> <p>+CNEC_EMM: 8</p> <p>&nbsp;</p> <p>Which, according to this document&nbsp;<a href="https://www.etsi.org/deliver/etsi_ts/124300_124399/124301/14.03.00_60/ts_124301v140300p.pdf#page=420">https://www.etsi.org/deliver/etsi_ts/124300_124399/124301/14.03.00_60/ts_124301v140300p.pdf#page=420</a>, is:</p> <p><pre class="ui-code" data-mode="text">Cause #8 – EPS services and non-EPS services not allowed This EMM cause is sent to the UE when it is not allowed to operate either EPS or non-EPS services. </pre></p> <p>&nbsp;</p> <p>It looks like the network does not allow you to connect. Have you&nbsp;checked the GSMA deployment map for your area to see if there&#39;s any coverage?</p> <p><a href="https://www.gsma.com/iot/deployment-map/">https://www.gsma.com/iot/deployment-map/</a></p> <p></p> <p>It might be beneficial to contact your local network vendors and ask if they allow roaming SIMs on their network on NB-IoT.</p> <p>&nbsp;</p> <p>Kind regards,</p> <p>Håkon</p><div style="clear:both;"></div>