https://devzone.nordicsemi.com/f/nordic-q-a/4897/broke-dfu-after-loading-from-nrf-toolboxI&#39;ve had no success in updating the application through the NRF TOOLBOX for my Smart Beacon. I was able to load ble_app_hrs_s110_v6.0... And that successfully worked. However, now the app tells me there is no DFU available on the device that allowsen-USTelligent Community 13Thu, 08 Jan 2015 09:32:40 GMThttps://devzone.nordicsemi.com/thread/17302?ContentTypeID=1Thu, 08 Jan 2015 09:32:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7720ecdc-2f04-412b-a692-7d9c9983f8c1Stian R&#248;ed Hafskjold<p>Did you activate the bootloader by pressing SW1 on the beacon? Try to do this while you insert the battery.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/17301?ContentTypeID=1Mon, 22 Dec 2014 08:36:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:34ee72cb-71ec-4e53-a626-f0014de7d7aeInspectron<p>I think maybe this post could be of interest to you:</p> <p><a href="https://devzone.nordicsemi.com/question/2227/firmware-update-without-button-press/">devzone.nordicsemi.com/.../</a></p><div style="clear:both;"></div>