https://devzone.nordicsemi.com/f/nordic-q-a/111892/lte-model-not-foundI get the registration &quot;parse_cereg: LTE mode not found, error code: -22&quot; error,when try to connect to LTE network in china shenzhen.the hardware is custom use nrf9160 chip.can anyone help analysis the error?why Network registration status is 4,what doesen-USTelligent Community 13Fri, 07 Jun 2024 14:58:36 GMThttps://devzone.nordicsemi.com/thread/487947?ContentTypeID=1Fri, 07 Jun 2024 14:58:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:53145e75-d83a-4a2d-a6b3-8c585a73e861Michal<p>Hello,</p> <p>Looks like your application by default is trying to connect to LTE-M, but your network only supports NB-IoT.</p> <p>It is trying first to connect to LTE-M and then falls back to NB-IoT after failing.</p> [quote user=""][00:11:21.915,771] &lt;dbg&gt; lte_lc_helpers: parse_cereg: LTE mode: 9[/quote] <p>This means that it is using NB-IoT when it finally got connected.</p> <p>Best regards,</p> <p>Michal</p><div style="clear:both;"></div>