https://devzone.nordicsemi.com/f/nordic-q-a/103083/sim-cards-issuesGood evening, I spent a bit of time around the forum before to write this post but I was not able to gather the information I needed. I purchased recently a nRF9160DK and I wanted to check the connection with the cloud through the SIM card includeden-USTelligent Community 13Mon, 28 Aug 2023 17:45:32 GMThttps://devzone.nordicsemi.com/thread/443449?ContentTypeID=1Mon, 28 Aug 2023 17:45:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:23711ca4-3d4e-4fed-a637-bfe32931f9e7Andrea82<p>Hi. Thank you so much for your support, but I actually managed to have the sim working. It was everything set correctly, I have to do an update through the nRF Connect desktop.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/442715?ContentTypeID=1Wed, 23 Aug 2023 09:04:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:66a4cf09-c8fa-44d2-aeb8-af81f67745fdSigurd Hellesvik<p>Hi,</p> <p>To get starter with cellular, I recommend <a href="https://academy.nordicsemi.com/courses/cellular-iot-fundamentals/">https://academy.nordicsemi.com/courses/cellular-iot-fundamentals/</a></p> [quote user=""]I flashed both the hex files (LTE and NBiot) but without any success.[/quote] <p>Which hex files?</p> [quote user=""]With the LTE version at least I get the error with the 4 leds flashing, but with the NBiot the led 1 was flashing forever.&nbsp;[/quote] <p>iBasis only supports LTE in the UK.</p> [quote user=""]I have another SIM card that is suitable for IoT application, is already activated and works (tested with a LTE modem). Tried this card as well but nothing.&nbsp;[/quote] <p>Do you get logs on the serial terminal from your applications?<br />These logs would help us figure out what is wrong</p> <p>Reagrds,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>