Problem setting nrf9160 datamodehttps://devzone.nordicsemi.com/f/nordic-q-a/96055/problem-setting-nrf9160-datamodeHi, we have a custom board with nrf52840 and nrf9160. NRF9160 has mfw_nrf9160_1.3.3 and serial_lte_modem application. I try to set modem system mode to support both LTE-M and NB-IoT modes with no preference to either with AT command &quot;AT%XSYSTEMMODEen-USTelligent Community 13Thu, 26 Jan 2023 10:20:27 GMTRE: Problem setting nrf9160 datamodehttps://devzone.nordicsemi.com/thread/406617?ContentTypeID=1Thu, 26 Jan 2023 10:20:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ca447fb4-8af7-4231-a782-1cb9f2472359ericlestor<p>1) Works on nRF9160DK</p> <p>2) This is the nRF9160 modem on our board</p> <p>&nbsp;<img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/Screenshot-2023_2D00_01_2D00_26-121454.png" alt=" " /></p> <p>It says: nRF9160 SIAA B1 2130AC, I suppose it is LTE-M only product?</p><div style="clear:both;"></div>RE: Problem setting nrf9160 datamodehttps://devzone.nordicsemi.com/thread/406607?ContentTypeID=1Thu, 26 Jan 2023 10:03:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c10b7429-4e27-4417-b61f-adbdf934f6a9Charlie<p>Hi ericlestor,</p> <p>The command&nbsp;<span>&nbsp;&quot;AT%XSYSTEMMODE=1,1,0,0&quot; reponse OK on my nRF9160DK.</span></p> <p><span>1) Did you test on an nRF9160DK or Thingy91 board?</span></p> <p><span>2) nRF9160 has three variants, only CA support both LTE-M and NB-IoT. Did your customer board use AA of nRF9160? See&nbsp;<a href="https://infocenter.nordicsemi.com/topic/ps_nrf9160/ordering_info.html">infocenter.nordicsemi.com/.../ordering_info.html</a></span></p> <p><span><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/6253.pastedimage1674727309264v1.png" alt=" " /></span></p> <p><span>Best regards,</span></p> <p><span>Charlie</span></p><div style="clear:both;"></div>RE: Problem setting nrf9160 datamodehttps://devzone.nordicsemi.com/thread/406581?ContentTypeID=1Thu, 26 Jan 2023 08:11:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:298fa9d9-3d0d-4ff7-8cd5-6e6088f4bb6dericlestor<p>Sorry, mistyped the subject, it was supposed to be &quot;system mode&quot; instead of datamode.</p><div style="clear:both;"></div>