https://devzone.nordicsemi.com/f/nordic-q-a/6777/blinky-compiles-and-loads-but-doesn-t-executeUsing gcc-arm-none-eabi-4_8-2014q1-20140314 Using nRF51_SDK_8 Using nRF51 dongle Build in nRF51_SDK_8/examples/peripheral/blinky/pca10031/s110/armgcc succeeds Copy nrf51422_xxac.hex to Windows so I can use nrfjprog to downloaden-USTelligent Community 13Wed, 29 Apr 2015 05:21:21 GMThttps://devzone.nordicsemi.com/thread/23808?ContentTypeID=1Wed, 29 Apr 2015 05:21:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:05e2ebe8-69f6-455f-91f1-bcc26a178301Susheel Nuguru<p>looks like the version of blinky you downloaded is not standalone. it seems to be downloaded to page 96, which means that this app expected S110 softdevice to be downloaded first.</p> <p>you have to compile and flash blank version from this path nRF51_SDK_8.0.0_5fc2c3a\examples\peripheral\blinky\pca10028\blank\armgcc so that this is downloaded to Page 0 of the flash and the program starts execution without any dependencies.</p><div style="clear:both;"></div>