https://devzone.nordicsemi.com/f/nordic-q-a/35996/link-loss-dfu-sdk13Hello i&#39;m currently working on the central part of the DFU i succeded to make it work and now i&#39;m working on the link loss part. I used This to make the DFU work but it doesn&#39;t indicate what process has to be made to recover from a link loss. Do youen-USTelligent Community 13Wed, 04 Jul 2018 12:19:24 GMThttps://devzone.nordicsemi.com/thread/138956?ContentTypeID=1Wed, 04 Jul 2018 12:19:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7de89014-417f-4c58-b8dd-827b36c30cb3Albin<p>I don&#39;t exacly get it, when i&#39;m reconnecting to the device and the last data object&nbsp;selected hasn&#39;t totally been sent do i have to recreate the same object and send it all or do i only have to send what&#39;s missing ?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/138753?ContentTypeID=1Tue, 03 Jul 2018 11:39:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:df80a26a-616f-4623-b291-1f0e8628fc0aEdvin<p>Hello,</p> <p>The link that you sent does describe what you can do if there is a link loss:</p> <p>&quot;&nbsp;<em>If the transfer of a data object fails (for example, because of a power loss), the transfer can be continued instead of restarted.</em>&quot;</p> <p>Please check the section: Transfer of a firmware image</p> <p>I believe you can use the&nbsp;<em>offset</em> and&nbsp;<em>CRC</em> to check what the last successful object.&nbsp;</p> <p>&nbsp;</p> <p>Best regards,</p> <p>Edvin</p><div style="clear:both;"></div>