https://devzone.nordicsemi.com/f/nordic-q-a/65744/merging-application-hex-with-softdevice-hexHello, I have developed a program that reads (with I2C) a temperature sensor and sends it to the central board. The central board is a NRF52480-DK. I have tested the peripheral program on a NRF52480-DK and it works fine. I&#39;ve adapted the program to worken-USTelligent Community 13Wed, 09 Sep 2020 12:52:39 GMThttps://devzone.nordicsemi.com/thread/268757?ContentTypeID=1Wed, 09 Sep 2020 12:52:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:31f55f6e-0eb4-47ad-990f-d51d74f0781bawneil[quote userid="93348" url="~/f/nordic-q-a/65744/merging-application-hex-with-softdevice-hex"]Using windows powersheel i&#39;ve merged the application hex file with the softdevice hex[/quote] <p>Why would you not use Nordic&#39;s tool for that:&nbsp;<a href="https://infocenter.nordicsemi.com/topic/ug_nrf5x_cltools/UG/cltools/nrf5x_mergehex.html">https://infocenter.nordicsemi.com/topic/ug_nrf5x_cltools/UG/cltools/nrf5x_mergehex.html</a>&nbsp;?</p> <p>it can detect and report some issues ...</p> [quote userid="93348" url="~/f/nordic-q-a/65744/merging-application-hex-with-softdevice-hex"]I&#39;ve noticed that it doesn&#39;t read the temperature values[/quote] <p>Have you used the <strong>debugger</strong> to see what&#39;s going on ?</p><div style="clear:both;"></div>