https://devzone.nordicsemi.com/f/nordic-q-a/67673/nrf5340-programming-network-flash-from-application-coreHello, i have a routine that updates the firmware in Application Core flash. It works erasing the flash and receiving the srec data with TWI slave (waiting for USBD). Now i would like to update the flash of the Network core (in hold), but from App Coreen-USTelligent Community 13Mon, 02 Nov 2020 15:06:28 GMThttps://devzone.nordicsemi.com/thread/278128?ContentTypeID=1Mon, 02 Nov 2020 15:06:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dfcfd163-1127-4808-a727-b8ab2b265287emag nioj<p>Thank you Hakon, i&#39;ll take a look, but for now i solved using a shared area and the App Core&nbsp; sends &quot;cmd&quot;,&quot;address&quot;,&quot;data&quot;,&quot;size&quot; to the Network core providing the Flash programming.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/278110?ContentTypeID=1Mon, 02 Nov 2020 14:23:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e92ea920-dd35-4a35-9402-3a9fa23e6229Hakon<p>Hello,</p> <p>there is a DFU sample for updating firmware on the network core. Have you looked at <a href="http://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.4.0/nrf/samples/nrf5340/netboot/README.html#nc-bootloader">http://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.4.0/nrf/samples/nrf5340/netboot/README.html#nc-bootloader</a> ?</p><div style="clear:both;"></div>