https://devzone.nordicsemi.com/f/nordic-q-a/79980/how-to-modify-spm-s-zephry-dtsHi sport team I want to modify uart0’ tx and rx in spm‘s zephry.dts，Figure below are my modification steps，But it failed. But it failed.en-USTelligent Community 13Fri, 24 Sep 2021 13:24:12 GMThttps://devzone.nordicsemi.com/thread/331109?ContentTypeID=1Fri, 24 Sep 2021 13:24:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1e29d8c6-e02d-4109-a82b-b2a3fcf836b5Didrik Rokhaug<p>Hi,</p> <p>You can use the child_image folder to change the configuration of child images such as the SPM.</p> <p>For more information on how to use the child_image folder, see the <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/ug_multi_image.html#image-specific-variables">multi-image user guide</a>.</p> <p>Best regards,</p> <p>Didrik</p><div style="clear:both;"></div>