https://devzone.nordicsemi.com/f/nordic-q-a/18969/how-to-dfu-if-app-is-without-softdeviceHi， Nordic I checked DFU operation, found DFU work in bootload mode. I want to know below operation is OK or not. Plz help me check: download DFU bootloader download app ( This app is without softdevice, or it donot use Bluetooth, it useen-USTelligent Community 13Fri, 13 Jan 2017 15:20:43 GMThttps://devzone.nordicsemi.com/thread/73318?ContentTypeID=1Fri, 13 Jan 2017 15:20:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1fca0d77-e58a-4267-ae4d-d83d51e11a05bjorn-spockeli<p>Hi Chaw,</p> <p>a possible solution to your issue has been posted in answer to a similar question that you have asked, <a href="https://devzone.nordicsemi.com/question/110845/app-without-softdevice/">here</a> is the link.</p> <p>Best regards</p> <p>Bjørn</p><div style="clear:both;"></div>