https://devzone.nordicsemi.com/f/nordic-q-a/128139/migrating-from-nrf5-sdk-17-1-to-nrf-connect-sdk-while-preserving-fds-data-nrf52832-nrf52833-512-kb-flashI recently completed a field-upgrade path from an nRF5 SDK 17.1 application (with the legacy Secure DFU bootloader) to a fresh NCS-based firmware stack, while preserving user data stored in FDS. It was easier than expected, so sharing the approach hereen-USTelligent Community 13Tue, 14 Nov 2017 10:43:53 GMT