https://devzone.nordicsemi.com/f/nordic-q-a/21171/nrf518222-s130-enable-issuenrf51822QfAC S130 stack was working fine and ble_app was able run successfuly able to see the ble on the app; Now after few days now facing issue in running the same code Softdevice intialse is getting failed and while enable the the softdevice theen-USTelligent Community 13Thu, 06 Apr 2017 13:38:43 GMThttps://devzone.nordicsemi.com/thread/82855?ContentTypeID=1Thu, 06 Apr 2017 13:38:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fcd72209-da9b-41c9-b723-d90b78ce8e42bjorn-spockeli<p>What kind of environment are you working in(e.g. OS, IDE and compiler)? How are you programming and erasing the nRF51822 ? Which specific sd_-call causes the device to branch to 0xFFFFFFFE?</p><div style="clear:both;"></div>