https://devzone.nordicsemi.com/f/nordic-q-a/123023/nrf9151-detach-with-cmw500-right-after-attach-completeHello, We struggle to keep LTE-M attached with nRF91 (Modem) and CMW500 (EPS) to test regular IP communication (so those are not Radio Access Network tests) during product certification. During the LTE session attach, EPS Core (CMW500) MME asksen-USTelligent Community 13Tue, 29 Jul 2025 11:42:08 GMThttps://devzone.nordicsemi.com/thread/543921?ContentTypeID=1Tue, 29 Jul 2025 11:42:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:505ac902-910d-44af-a023-d2d9f53b6a71dejans<p>Hi Michal, <br /><br />Current log does not give proper view of the functionality. Can you send a new log with default trace set?<br /><br />There seems to be unexpected CFUN=0 that is sent to the modem. Can you double-check application logic for CFUN commands?<br /><br />Best regards,<br />Dejan<br /><br /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/542763?ContentTypeID=1Thu, 17 Jul 2025 12:36:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2a9e4887-a013-46ab-8558-80feb09e61dadejans<p>Hi Michal,<br /><br />I will look into your trace file and check internally if needed. I will try to get back to you soon, but please note that delayed replies can be expected due to vacation period.<br /><br />Best regards,<br />Dejan</p><div style="clear:both;"></div>