https://devzone.nordicsemi.com/f/nordic-q-a/95650/dfu-without-mcumgr-and-smp-serverHi! I&#39;m using an nRF52840 with Zephyr and I would like to know if it&#39;s possible to perform a DFU without using mcumgr. I would like to write the update to another memory slot and use MCUboot to perform the update. The reason for this is that I&#39;m tryingen-USTelligent Community 13Fri, 13 Jan 2023 12:25:52 GMThttps://devzone.nordicsemi.com/thread/404788?ContentTypeID=1Fri, 13 Jan 2023 12:25:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:39c5b7c6-e20d-4fca-a9c3-b3b2a0539100Einar Thorsrud<p>Hi,</p> <p>You will need some form of the SMP client on the device that is updating the nRF. I am not aware of any such implementation for ESP, but you can refer to the SMP client sample as <a href="https://devzone.nordicsemi.com/f/nordic-q-a/94880/perform-dfu-to-nrf52840-from-esp32/400820">mentioned in this post</a>, and consider porting that to your platform.</p><div style="clear:both;"></div>