S112 SoftDevice
0x0103 for nRF52805
0xCB for nRF52832

build SDK17\examples\ble_peripheral\ble_app_buttonless_dfu to get the "app.hex"
build the bootloader code to get the "bootloader.hex"
build the my own application code to get the "app_new.hex"


nrfutil settings generate --family NRF52810 --application app.hex --application-version 3 --bootloader-version 2 --bl-settings-version 2 settings.hex

nrfjprog --eraseall -f NRF52

nrfjprog --program s112_nrf52_7.2.0_softdevice.hex --verify -f NRF52

nrfjprog --program app.hex --verify -f NRF52

nrfjprog --program bootloader.hex --verify -f NRF52

nrfjprog --program settings.hex --verify -f NRF52

nrfjprog --reset -f NRF52

nrfutil pkg generate --application app_new.hex --application-version 3 --hw-version 52 --sd-req 0x0103 --key-file priv.pem OTA_BUTTONLESS_NRF52805.zip




