https://devzone.nordicsemi.com/f/nordic-q-a/15217/choosing-a-softdeviceheya all, I&#39;ve tried folowing the guidlines for selecting correct SoftDevice for particular DK, but I am completely confused about the whole naming conventions and versions. I happen to have DevelopmentKit PCA10040 v_0.9.0 with nRF52832 QFAABA en-USTelligent Community 13Tue, 19 Jul 2016 14:07:27 GMThttps://devzone.nordicsemi.com/thread/58109?ContentTypeID=1Tue, 19 Jul 2016 14:07:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:20819050-c2cc-4c04-9b58-4ab4950f7d5ePetter Myhre<p>It is a bit confusing. You can see from <a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf51%2Fdita%2Fnrf51%2Fcompatibility_matrix%2FnRF51422_nRF51822_ic_rev_sdk_sd_comp_matrix.html&amp;cp=2_0_3">this</a> and <a href="http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf51%2Fdita%2Fnrf51%2Fcompatibility_matrix%2FnRF51422_nRF51822_ic_rev_sdk_sd_comp_matrix.html&amp;cp=2_0_3">this</a> that you have Engineering B revision of the nRF52.</p> <p><a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf52/dita/nrf52/compatibility_matrix/ic_rev_sdk_sd_comp_matrix.html?cp=2_1_2">Here</a> you can see that Engineering B is compatible with SoftDevice S132 2.0.0-7.alpha (supported by SDK 11.0.0-2.alpha) and 2.0.0-8.alpha (no SDK support).</p> <p>If you are going to do some real development I recommend you to get a nRF52 DK with the production version of the chip.</p><div style="clear:both;"></div>