https://devzone.nordicsemi.com/f/nordic-q-a/44608/issues-getting-asset-tracker-sample-application-working-very-similar-issues-to-those-discussed-in-issue-222766I&#39;m evaluating the NRF9160 DK, and have run into some interesting issues. I find that the AT client works, sort of, though it&#39;s quite flaky and I quite often get timed out commands, especially with the automatic sequences that LTE Link Monitor sendsen-USTelligent Community 13Sun, 17 Mar 2019 20:45:20 GMThttps://devzone.nordicsemi.com/thread/176580?ContentTypeID=1Sun, 17 Mar 2019 20:45:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1a631023-ac9e-4f30-a624-df70f36d1c41ERIK<p>Hi, I&#39;ve been working with Oyvind on issue #222766 with essentially the same issues Josh has been seeing.&nbsp; One of the symptoms when running asset_tracker has been that we get an <span>nrf_cloud_connect_failed: 60 in the LTE Link Monitor terminal and then the board resets.&nbsp; When I load and run the asset_traker.hex you attached above&nbsp;I have the same results.</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/176129?ContentTypeID=1Thu, 14 Mar 2019 10:19:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8df04fd3-6759-4c96-bd44-249fad2f43a4Hakon<p>Hey, you might have an old secure boot running on your device. Try flashing this precompiled&nbsp; version of <a href="https://devzone.nordicsemi.com/cfs-file/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-47a5d74c386646fdb70ce8093aad3be0/at_5F00_client.hex">devzone.nordicsemi.com/.../at_5F00_client.hex</a> or <a href="https://devzone.nordicsemi.com/cfs-file/__key/support-attachments/beef5d1b77644c448dabff31668f3a47-47a5d74c386646fdb70ce8093aad3be0/asset_5F00_tracker.hex">devzone.nordicsemi.com/.../asset_5F00_tracker.hex</a>, the newest secure boot is included in them.</p><div style="clear:both;"></div>