https://devzone.nordicsemi.com/f/nordic-q-a/24055/buttonless-dfu-with-gccHi, I seem to be stuck on a rather simple problem here which I am unable to figure out. I am using SDK 12.2 with PCA10040 board. When I am compiling the experimental buttonless DFU example with gcc, the MCU doesn&#39;t start at all even after a reseten-USTelligent Community 13Fri, 04 Aug 2017 06:36:44 GMThttps://devzone.nordicsemi.com/thread/94718?ContentTypeID=1Fri, 04 Aug 2017 06:36:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c326ce16-d3f4-4418-8ef1-0347d0505d80bjorn-spockeli<p>@ai(anasimtiaz): This is one of the known issues with the experimental Buttonless DFU example in SDK v12.x.0, which are listed <a href="https://devzone.nordicsemi.com/question/93241/what-are-sdk-12x0-known-issues/">here</a>. This has been fixed in SDK v12.3.0 and later.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/94717?ContentTypeID=1Thu, 03 Aug 2017 11:59:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:234ae47a-47f9-4ea6-bef4-495d8bfbbc34anasimtiaz<p>Still unsure why the app on its own doesn&#39;t work but with the bootloader + bootloader settings and following the link below, it seems to be fine:</p> <p><a href="https://devzone.nordicsemi.com/question/95193/sdk12pca10040ble_app_buttonless_dfu-not-resetting-to-bootloader/?answer=95279#post-id-95279">devzone.nordicsemi.com/.../</a></p><div style="clear:both;"></div>