https://devzone.nordicsemi.com/f/nordic-q-a/84706/lte-never-reach-greenHi , I have the nordic nRF9160 DK and the Nordic Thingy:91. I am trying with the Asset Tracking application version : nrf9160dk_fw_2021-12-15_cfedfdfa, with the last modem firmware. I am not able to get the LTE connected. I tested the sim card in myen-USTelligent Community 13Mon, 14 Feb 2022 11:49:11 GMThttps://devzone.nordicsemi.com/thread/352857?ContentTypeID=1Mon, 14 Feb 2022 11:49:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:85154cd9-1e2e-4126-b06b-c4fb13eb78e9Charlie<p>Hi Juan,</p> <p><span>You need a SIM card that specially supports LTE-M/NB-IoT network.&nbsp; SIM used by mobile phones normally does not have support on Cellular IoT networks.</span></p> <p>The Thingy91 you bought should have an iBasis SIM card, but&nbsp;<a href="https://ibasis.com/solutions/iot-connectivity/network-coverage/">iBasis IoT NETWORK COVERAGE</a>&nbsp;page shows they do not have coverage in Chile, so you need to check with local celluar network operater if they have support on LTE-M/NB-IoT and order SIM card from them if possible.</p> <p>Best regards,</p> <p>Charlie</p><div style="clear:both;"></div>