https://devzone.nordicsemi.com/f/nordic-q-a/4394/revision-characteristic-in-dfu-service-of-sdk-7-0-1Hi In the new SDK 7.0.1 a new characteristic &quot;Revision&quot; was added to the DFU service. What is the meaning of this revision? In the bootloader library of the SDK the value is set to 0x0005 (-&gt; 0.5). The application example of the SDK sets the valueen-USTelligent Community 13Tue, 11 Nov 2014 12:15:49 GMThttps://devzone.nordicsemi.com/thread/15594?ContentTypeID=1Tue, 11 Nov 2014 12:15:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:44a48b02-2917-4e3a-ab41-2bfefd5fbc90Adrian Eggenberger<p>Thank you for cleraring this up. I&#39;m a bit surprised as this revision won&#39;t be used in MCP. It would allow the MCP to be able to handle multiple versions of the DFU protocol (e.g. new Init Packet Handling in DFU from SDK 7.0.1).</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/15593?ContentTypeID=1Tue, 11 Nov 2014 11:29:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5005877c-d2b7-4e3b-a006-0efab4762c77Asbj&#248;rn<p>It&#39;s for the DFU revision as you guessed. You could add a similar revision handle/characteristics for your application as well if you want to.</p> <p>The MCP will not use the value for more than displaying it. Eventually I guess it could be used to identify behavior and functionality in the DFU, but no plans for implementing this so far.</p><div style="clear:both;"></div>