https://community.nxp.com/t5/GUI-Guider/Why-is-The-device-not-connected/m-p/1618474#M299 <P>Could I double confirm with as you what's the board you're using? If the board was LPC5506 you used, it's not supported and we didn't test in the previous releases. But the board of LPC55S06 supported. You will find the list of&nbsp; supported boards in the documents and also could see the detailed supported boards when you creating the project.</P> Mon, 20 Mar 2023 13:44:56 GMT nxa22510 2023-03-20T13:44:56Z https://community.nxp.com/t5/GUI-Guider/Why-is-The-device-not-connected/m-p/1618395#M298 <P><SPAN>The gui guider fails to connect to the LPC5506</SPAN>.via jlink</P> Mon, 20 Mar 2023 11:11:44 GMT https://community.nxp.com/t5/GUI-Guider/Why-is-The-device-not-connected/m-p/1618395#M298 dsd 2023-03-20T11:11:44Z https://community.nxp.com/t5/GUI-Guider/Why-is-The-device-not-connected/m-p/1618474#M299 <P>Could I double confirm with as you what's the board you're using? If the board was LPC5506 you used, it's not supported and we didn't test in the previous releases. But the board of LPC55S06 supported. You will find the list of&nbsp; supported boards in the documents and also could see the detailed supported boards when you creating the project.</P> Mon, 20 Mar 2023 13:44:56 GMT https://community.nxp.com/t5/GUI-Guider/Why-is-The-device-not-connected/m-p/1618474#M299 nxa22510 2023-03-20T13:44:56Z