https://devzone.nordicsemi.com/f/nordic-q-a/116025/kconfig-setting-to-select-uicc-slot-in-nrf-cloud-multiserviceWe have been testing our nRF9151-based device with the nRF Cloud Multiservice sample program and had to debug some SIM-related issues. It turns out that the UICC slot was selected to be 2 (virtual slot), when it should be 0. After each power cycle, theen-USTelligent Community 13Mon, 04 Nov 2024 13:14:32 GMThttps://devzone.nordicsemi.com/thread/508955?ContentTypeID=1Mon, 04 Nov 2024 13:14:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1a43c641-5845-413f-831f-f638e3d80314zachary_z<p>I found that doing a factory reset with AT%XFACTORYRESET=1 solved my problem. The SIM slot now defaults to 0 as it was intended.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/508948?ContentTypeID=1Mon, 04 Nov 2024 12:51:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:962c87c4-620d-4fea-911f-265276005044dejans<p>Hi,<br /><br />If you look at&nbsp;<a href="https://docs.nordicsemi.com/bundle/ref_at_commands_nrf91x1/page/REF/at_commands/intro_nrf91x1.html">nrf91x1 Cellular AT Command Guide</a>, there is&nbsp;<a href="https://docs.nordicsemi.com/bundle/ref_at_commands_nrf91x1/page/REF/at_commands/access_uicc/csus_set.html">%CSUS command</a>&nbsp;which selects UICC slot to be used by the modem. This AT command can be used only when the modem is set to minimum functionality mode +CFUN=0 or deactivated using +CFUN=4.<br /><br />Best regards,<br />Dejan</p><div style="clear:both;"></div>