https://devzone.nordicsemi.com/f/nordic-q-a/58786/problem-facing-when-run-the-build-in-release-modeHey nordic , I am doing project on BLE. I am Using Segger embedded studio v4.30b. (Board pca10040). In that I am using features like advertising ,scanning and connect to particular device. There are two modes Release / Debug mode. For the projecten-USTelligent Community 13Fri, 06 Mar 2020 13:31:41 GMThttps://devzone.nordicsemi.com/thread/238534?ContentTypeID=1Fri, 06 Mar 2020 13:31:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:25f634f1-3de7-451e-95c7-b2e8a75dea35Simonr<p>Hi Akash</p> <p>Please check out <a href="https://devzone.nordicsemi.com/f/nordic-q-a/20122/what-s-difference-between-debug-mode-and-release-mode">this explanation</a> on the differences between Release and debug modes. There is likely&nbsp;some optimization that is not being handled correctly in your release mode application.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>