https://devzone.nordicsemi.com/f/nordic-q-a/26149/how-can-i-change-the-softdevice-versionThe &quot;Bluetooth Low Energy Characteristics&quot; tutorial, a beginner&#39;s tutorial, devzone.nordicsemi.com/.../ , uses a version 11 of SoftDevice. But I need a it in version 12.3, how can I do this? B.en-USTelligent Community 13Mon, 23 Oct 2017 08:22:53 GMThttps://devzone.nordicsemi.com/thread/103039?ContentTypeID=1Mon, 23 Oct 2017 08:22:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:61c6f40d-e48d-4cbc-8964-f6a928be7379MartinBL<p>Hi, You will find the newer SDKs in @&quot;John Silver&quot;&#39;s link below. The tutorial is unfortunately old and written for SDK 11, and some porting might be required to make the tutorial work with the new SDKs.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/103040?ContentTypeID=1Sat, 21 Oct 2017 15:10:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ef568ec7-2633-45bb-a13c-4682e6322142O1eg<p>Hello.</p> <p>Maybe, you mean version of software development kit(sdk).</p> <p>On this page you can find different versions of sdk. <a href="https://developer.nordicsemi.com/nRF5_SDK/">developer.nordicsemi.com/.../</a></p> <p>Best regards.</p><div style="clear:both;"></div>