https://devzone.nordicsemi.com/f/nordic-q-a/18260/flash-softdevice-won-t-buildHi everyone. I&#39;ve been having a bunch of trouble with the BLE examples being incredibly slow. However, I recently started encountering a problem where the flash file wouldn&#39;t compile, and by now it won&#39;t compile at all, so I can&#39;t use the boards at allen-USTelligent Community 13Thu, 08 Dec 2016 13:53:48 GMThttps://devzone.nordicsemi.com/thread/70519?ContentTypeID=1Thu, 08 Dec 2016 13:53:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6a1530ba-5a72-433e-932e-cfc1a4774b9aJ&#248;rgen Holmefjord<p>Which SDK version and compiler are you using? Are you trying to compile the softdevice? You should only need to flash the precompiled hex file.</p><div style="clear:both;"></div>