https://devzone.nordicsemi.com/f/nordic-q-a/70535/problems-with-nrf5-sdkHello, I am using nRF5_SDK_for_Thread_and_Zigbee_v4.1.0_32ce5f8. 1. While referring to the Nordic Semiconductor Infocenter . I observed that in nRF5 SDK v16.0.0 there is one option for &quot;Experimental: IoT Examples&quot; under the &quot;Bluetooth low energy examplesen-USTelligent Community 13Mon, 18 Jan 2021 17:20:06 GMThttps://devzone.nordicsemi.com/thread/289860?ContentTypeID=1Mon, 18 Jan 2021 17:20:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:04ef7b52-9eab-439b-af76-70716932f383Kenneth[quote user=""]<span> &nbsp;</span>But a local Nordic sales representative recommended that zephyr is a preferred way to develop moving forward.[/quote] <p>In general I would say that nRF5 SDK is maintained and supported, but for new features I would recommend to look at nRF Connect SDK:&nbsp;<a href="http://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/index.html">http://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/index.html</a>&nbsp;There will be more and more examples for the nRF Connect SDK.</p><div style="clear:both;"></div>