- Download
serial_modem_<tag>_nrf9151dk_nrf91m1.zipfrom the newest ncs-serial-modem release that ships it, or use the copy at the top level of your release bundle. - Extract the zip.
-
Flash the
.hexon the nRF9151 DK. Replace<modem_dk_serial_number>with the serial number thatnrfutil device listshows for the nRF9151 DK.nrfutil device recovererases the whole chip first:nrfutil device recover --serial-number <modem_dk_serial_number> nrfutil device program --firmware serial_modem_<tag>_nrf9151dk_nrf91m1.hex --serial-number <modem_dk_serial_number> nrfutil device reset --serial-number <modem_dk_serial_number>