https://devzone.nordicsemi.com/f/nordic-q-a/77431/usb-dfuExcuse me: I want to implement the application allows a connected USB host to remotely tell the app to reboot into the bootloader to allow it to be updated via DFU.Can you provide me with USB DFU 1.1 spec file shown in the figure below？en-USTelligent Community 13Wed, 14 Jul 2021 10:47:57 GMThttps://devzone.nordicsemi.com/thread/319974?ContentTypeID=1Wed, 14 Jul 2021 10:47:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0799a0f4-b423-4129-87ef-5ac6ea4bdf71&#216;yvind<p>Hello,&nbsp;<br /><br />A quick google search gave me this document:</p> <div><a title="https://www.usb.org/document-library/device-firmware-upgrade-11-new-version-31-aug-2004" href="https://www.usb.org/document-library/device-firmware-upgrade-11-new-version-31-aug-2004" rel="noopener noreferrer" target="_blank">https://www.usb.org/document-library/device-firmware-upgrade-11-new-version-31-aug-2004</a></div> <div></div> <div>Is this what you are looking for?</div> <div></div> <div>Kind regards,<br />Øyvind</div><div style="clear:both;"></div>