https://devzone.nordicsemi.com/f/nordic-q-a/68536/nrfutil-dfu-ble-device-not-found-issueI am trying to do OTA DFU by &#39;nrfutil&#39; shell line tool and encounter the error, logs as below: In this log you can see &quot;Increment target device addr&quot;. How should I do if I don&#39;t want this increment in my OTA DFU procedure. PS. I alreadyen-USTelligent Community 13Thu, 19 Nov 2020 10:40:59 GMThttps://devzone.nordicsemi.com/thread/280834?ContentTypeID=1Thu, 19 Nov 2020 10:40:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:57c4e7ae-f14f-46db-8f4b-c36d59a4a1bdVidar Berg<p>Hello,</p> <p>It seems like it should work if you modify this part of the nrfutil script &quot;&nbsp;Un-bonded Buttonless characteristic discovered -&gt; Increment target device addr&quot;. That said, we do increment the bootloader address for a reason, are you sure this isn&#39;t going to cause any problems in your case?</p><div style="clear:both;"></div>