https://devzone.nordicsemi.com/f/nordic-q-a/23161/flashing-issue-with-nrfjprogHi, I&#39;m using nrfjprog with nRF52, SDK13 &amp; S132 soft device. I do not use mergehex during my development cycle: I flashed S132 hex once, and only reflash my application using the following command: nrfjprog -f nrf52 --sectorerase --program applicationen-USTelligent Community 13Fri, 29 Sep 2017 11:36:01 GMThttps://devzone.nordicsemi.com/thread/91102?ContentTypeID=1Fri, 29 Sep 2017 11:36:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4346c8b5-2922-4d84-bff2-fbb1fabe29c2Sigurd<p>Version 9.7.0 of nRF5x-Command-Line-Tools (nrfjprog) is now released. Can be found in the list <a href="https://www.nordicsemi.com/eng/Products/Bluetooth-low-energy/nRF52832#Downloads">here</a>.</p> <p>From the release notes:</p> <blockquote> <p>(nrfjprog.exe) Fixed bug in --sectorerase option. Under certain circumstances some sectors were not erased.</p> </blockquote><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/91101?ContentTypeID=1Thu, 10 Aug 2017 14:52:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1425da07-1142-4bf1-8fbc-11af6736acfbSigurd<p>Will be fixed in the next release of nrfjprog(current version is 9.6.0, will be fixed in 9.7.0).</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/91100?ContentTypeID=1Fri, 14 Jul 2017 17:47:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bebe7be2-554f-4327-a1c8-338be0b01250Emmanuel Blot<p>FWIW: Nordic support has acknowledged this issue with latest nrfjprog. --verify option shows that --sectorerase fails to erase the whole required pages on some occasion..</p><div style="clear:both;"></div>