some 9160 AT command can not use in my boardhttps://devzone.nordicsemi.com/f/nordic-q-a/90085/some-9160-at-command-can-not-use-in-my-boardHi, I have made a 9160 board, below is the schematic diagram ： I donwload this example in it, &quot; ncs\v1.9.1\nrf\applications\serial_lte_modem&quot;, and send AT command to test. but some AT command is right, and some can not use, why? all the AT commanden-USTelligent Community 13Fri, 22 Jul 2022 15:06:07 GMTRE: some 9160 AT command can not use in my boardhttps://devzone.nordicsemi.com/thread/378356?ContentTypeID=1Fri, 22 Jul 2022 15:06:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1c26d9e7-ae32-430a-bad8-a15fa72f03f9Hakon<p>Hello,</p> <p>what is the modem firmware version?</p><div style="clear:both;"></div>RE: some 9160 AT command can not use in my boardhttps://devzone.nordicsemi.com/thread/378200?ContentTypeID=1Fri, 22 Jul 2022 02:53:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:462a01f6-684d-4c99-aa0a-1bfdbc37c8c7Carey<p>Is there any reply?</p> <p>Now i have found some new issure, my AT command run in Nordic 91DK V0.9.0 is ok, but some command can not run in&nbsp;<span>Nordic 91DK V0.8.2&nbsp;. this is the sreen capture.</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/pastedimage1658479063977v1.png" alt=" " /></span></p><div style="clear:both;"></div>