https://devzone.nordicsemi.com/f/nordic-q-a/120957/usb-dfu-dosn-update-firmwareHi I&#39;ve started the USB DFU example. I flash my device and use the hello World example as described in the readme. I can upload the app using dfu-util. But after reset its starts the dfu firmware. How can i see whats going on? dfu-util --alt 1 en-USTelligent Community 13Thu, 24 Apr 2025 15:20:30 GMThttps://devzone.nordicsemi.com/thread/532883?ContentTypeID=1Thu, 24 Apr 2025 15:20:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:30ed0d60-f837-4872-ac68-9c3a3f87a9c5Amanda Hsieh<p>Yes, if you want to get the log via&nbsp;<span>ACM_CDC. Otherwise, y</span>ou can check the default UART port.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/532867?ContentTypeID=1Thu, 24 Apr 2025 14:38:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a1355b86-82d1-4d7c-9633-106782414f5cMarbae<p>I do that this way, I&#39;ve to had enable ACM_CDC?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/532865?ContentTypeID=1Thu, 24 Apr 2025 14:31:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2d7b0017-94dc-44bd-b7e0-3f3b57eff82bAmanda Hsieh<p>Hi,&nbsp;</p> <p>I would suggest you start from this course&nbsp;<a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-4-dfu-over-usb/">https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-4-dfu-over-usb/</a>&nbsp;</p> <p>Regards,<br />Amanda H.</p> <p><span></span></p><div style="clear:both;"></div>