https://devzone.nordicsemi.com/f/nordic-q-a/37072/how-to-program-bootloader-with-ulink-plus-programmerHi, Referring to bootloader programming article - there&#39;s a post-build phase of programming UICR.BOOTLOADERADDR The article describe how to use nrfjprog to do this which, as I understand, rely on using JLink programmer (or the DK equivalent) Howen-USTelligent Community 13Thu, 02 Aug 2018 12:34:41 GMThttps://devzone.nordicsemi.com/thread/142612?ContentTypeID=1Thu, 02 Aug 2018 12:34:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5c71b1a7-a47d-4aac-aa2c-dee91edbb647bjorn-spockeli<p>Hi Eyalasko,&nbsp;</p> <p>I think you should be able to use the approach described in <a href="https://devzone.nordicsemi.com/f/nordic-q-a/9336/ulink-uicr-programming/34472#34472">this</a>&nbsp;post.</p> <p>Best regards</p> <p>Bj&oslash;rn</p><div style="clear:both;"></div>