https://devzone.nordicsemi.com/f/nordic-q-a/4305/s110-version-7-1---can-use-sdk-6-1-0Hello Everybody, I&#39;m sorry I&#39;m a little confused about the SDK and S110 versions. Can I use S110 v7.1 with SDK v6.1? I compiled the ble_app_beacon I found in the SDK and programmed the module with it and S110 v 7.1 but I still don&#39;t see any advertisementsen-USTelligent Community 13Tue, 04 Nov 2014 11:34:41 GMThttps://devzone.nordicsemi.com/thread/15331?ContentTypeID=1Tue, 04 Nov 2014 11:34:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:37b458ff-55cb-454c-9a03-c86698c080b1Stefan Birnir Sverrisson<p>For further information on compatibility of different nRF51 SDK&#39;s, the release notes for any version of nRF51 SDK include info on:</p> <ul> <li>Supported SoftDevices</li> <li>Supported boards</li> <li>Tested devices</li> <li>toolchains used for testing and verification</li> </ul> <p>You can find the release notes in e.g. the documentation folder in the nRF51 SDK zip file.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/15330?ContentTypeID=1Tue, 04 Nov 2014 01:59:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:477b9580-5ca0-4449-9f9e-47678b8e5be7Nguyen Hoan Hoang<p>S110 v7.x with SDK v6.x only,</p> <p>S110 v6.x with SDK v5.x only</p><div style="clear:both;"></div>