https://devzone.nordicsemi.com/f/nordic-q-a/44542/nrf51-dk-not-working-after-download-program-using-seggerHi I segger project get compiled and download successfully but it didn&#39;t start work. After put it in debug mode, it start working even after removed it from debug mode working didn&#39;t get affect. only blinky (without softdevice) is exception for thisen-USTelligent Community 13Tue, 12 Mar 2019 07:31:51 GMThttps://devzone.nordicsemi.com/thread/175525?ContentTypeID=1Tue, 12 Mar 2019 07:31:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:531cefac-dd4f-412a-bf86-ed2e135586a4Vidar Berg<p>This is a duplicate of this thread:&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/44583/nrf51-dk-not-working-after-download-program-using-segger">https://devzone.nordicsemi.com/f/nordic-q-a/44583/nrf51-dk-not-working-after-download-program-using-segger</a>&nbsp;</p><div style="clear:both;"></div>