writing production parameters to flash using jlinkexehttps://devzone.nordicsemi.com/f/nordic-q-a/9666/writing-production-parameters-to-flash-using-jlinkexeHi I am setting up a production programming script, and would like to know if it is possible to write short strings or numbers directly to flash. For example, i would like to write the devices&#39; serial number to a specific flash location, such thaten-USTelligent Community 13Sun, 11 Oct 2015 22:18:33 GMTRE: writing production parameters to flash using jlinkexehttps://devzone.nordicsemi.com/thread/35729?ContentTypeID=1Sun, 11 Oct 2015 22:18:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:93ca469f-a81d-4162-b12f-58782d5c1524Martijn<p>Actually in our experience the nrfjprog tool very slow compared to directly using jlink. You can start jlink, select nrf51 via &#39;device NRF51422_XXAA&#39; command, speed up the connection with &#39;speed 1000&#39; and use &#39;w4 <address>, &#39; to program a 4 byte value to a specific address. I would use the UICR register for this.</address></p><div style="clear:both;"></div>RE: writing production parameters to flash using jlinkexehttps://devzone.nordicsemi.com/thread/35728?ContentTypeID=1Sun, 11 Oct 2015 19:30:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b38a0602-5976-463f-a85d-bd5e9b6e92c7Susheel Nuguru<p>nordic command line tool &quot;nrfjprog --memwr&quot; should be enough here. nrfjprog internally uses jlink DLL API.</p><div style="clear:both;"></div>