Device Firmware Update with Device Manager apphttps://devzone.nordicsemi.com/f/nordic-q-a/111045/device-firmware-update-with-device-manager-appHi, I have a nRF52840 DK which is my Distributor and another nRF52840 DK which is my Target in DFU process I utilize Device Manager app to upload bin file to Distributor for DFU of Target. My question is: the bin file that I have to upload to Distributoren-USTelligent Community 13Thu, 09 May 2024 16:09:48 GMTRE: Device Firmware Update with Device Manager apphttps://devzone.nordicsemi.com/thread/482671?ContentTypeID=1Thu, 09 May 2024 16:09:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:77842fe2-f3a3-405f-b8d1-1259bfa5690bAmanda Hsieh<p>Hi,&nbsp;</p> <p>No, use&nbsp;<span>build/zephyr/app_update.bin</span> to update. See&nbsp;<a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/2.6.1/nrf/config_and_build/configuring_app/output_build_files.html#common-output-build-files">Common output build files</a>&nbsp;and&nbsp;<a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-8-bootloaders-and-dfu-fota/topic/exercise-3-fota-over-bluetooth-low-energy/">https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-8-bootloaders-and-dfu-fota/topic/exercise-3-fota-over-bluetooth-low-energy/</a>&nbsp;&nbsp;</p> <p>Regards,<br />Amanda H.</p><div style="clear:both;"></div>