https://devzone.nordicsemi.com/f/nordic-q-a/74663/dfui have to run DFU example. I have problem to generate public private keysen-USTelligent Community 13Tue, 04 May 2021 12:29:31 GMThttps://devzone.nordicsemi.com/thread/308174?ContentTypeID=1Tue, 04 May 2021 12:29:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:65c8c7fb-ef35-4cff-bf63-af14ca488d54Sigurd[quote userid="99300" url="~/f/nordic-q-a/74663/dfu/308163#308163"]where is preprocessor option described in KEIL[/quote] <p>See this screenshot:<br /><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1620131250860v1.png" alt=" " /><br /><br /></p> <p>For new questions, please create a new case:<a href="https://devzone.nordicsemi.com/support/add">https://devzone.nordicsemi.com/support/add</a></p> <p><span>Since the original question in this case has been answered.&nbsp;I will close this case.</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/308163?ContentTypeID=1Tue, 04 May 2021 12:10:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ff942a29-1188-470c-9732-0e3243752776Ridhi<p>I am using keil for DFU buttonless implementation</p> <p>I am not getting BL_SETTINGS_ACCESS_ONLY&nbsp;<span>NRF_DFU_TRANSPORT_BLE=1 how to do this...where is preprocessor option described in KEIL</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/307852?ContentTypeID=1Mon, 03 May 2021 08:51:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:48be1d6a-9cb0-4170-8cf6-aaad59eecac8Sigurd<p>Hi,</p> <p>This is likely caused by a incompatibility with Python 3.9. See this post:&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/65889/nrfutil-modulenotfounderror-no-module-named-constants">https://devzone.nordicsemi.com/f/nordic-q-a/65889/nrfutil-modulenotfounderror-no-module-named-constants</a></p><div style="clear:both;"></div>