https://devzone.nordicsemi.com/f/nordic-q-a/62248/sim-detectHow to use SIM_DET (SIM Detect)? Can&#39;t seem to find a register for it on nRF9160en-USTelligent Community 13Mon, 08 Jun 2020 13:07:29 GMThttps://devzone.nordicsemi.com/thread/253807?ContentTypeID=1Mon, 08 Jun 2020 13:07:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ecbc0e41-fcb2-42f2-bddd-f63110b637d4Martin Lesund<p>Hi Rammel,<br />The <a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fps_nrf9160%2Fpin.html&amp;cp=2_0_0_9_0_0&amp;anchor=reference_hyx_mmw_pv" rel="noopener noreferrer" target="_blank">SIM_DET pin&nbsp;i</a>s not in use, just leave it floating.</p> <p>If you need to check if there is a SIM card in the socket you can use specific AT commands for that.<br />e.g.<br /><a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fref_at_commands%2FREF%2Fat_commands%2Fmob_termination_ctrl_status%2Fxsim_read.html&amp;cp=2_1_3_16_1" rel="noopener noreferrer" target="_blank">AT%XSIM?</a></p><div style="clear:both;"></div>