i need to perform DFU on my nrf52833dk board and my sdk version is 2.2 as i can see from https://devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/software/posts/ncs-dfu that the onboard flash of nrf52833dk is low so i need to add an external flash to it. I have configure the external flash following this link https://devzone.nordicsemi.com/f/nordic-q-a/87055/nr52832-nrf-connect-1-8-0-external-flash. and have been able to perform read/write operations. What changes should i do to my code so that i can perform DFU on my nrf52833dk.
