https://devzone.nordicsemi.com/f/nordic-q-a/58460/dfu-crashes-and-failuresWe&#39;re using the IOS-Pods-DFU-Library on an iOS13 iPhone connecting with an embedded device that supports Nordic NRF DFU. We&#39;re experiencing some issues with both the nRFConnect app crashing and our custom app (using IOS-Pods-DFU-Library) failing whenen-USTelligent Community 13Fri, 06 Mar 2020 00:47:53 GMThttps://devzone.nordicsemi.com/thread/238410?ContentTypeID=1Fri, 06 Mar 2020 00:47:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fe6a6145-a284-4d2a-941e-46c160aac770Jeremy J<p>Hi Sigurd!<br /><br />Apologies for the delayed response.&nbsp;We managed to resolve it. The issue ended up being related to BLE connection parameters. Thanks again for the help.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/237126?ContentTypeID=1Fri, 28 Feb 2020 12:44:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:40d3741c-2c7d-47ed-b171-fb5c4812b231Sigurd<p>Hi,</p> <p>Are you seeing any errors on the nRF52 side when this happens? Do you have any logs from the nRF52?</p> <p>What is the disconnect reason on the nRF52 ?</p> <div> <div class="copy-paste-block"><span>Disconnect reason can be&nbsp;printed on the nRF52 in ble_evt_handler() like this, snippet:</span></div> <div class="copy-paste-block"></div> <div class="copy-paste-block"><pre class="ui-code" data-mode="text"> case BLE_GAP_EVT_DISCONNECTED: NRF_LOG_INFO(&quot;Disconnected reason: 0x%x&quot;,p_ble_evt-&gt;evt.gap_evt.params.disconnected.reason)</pre></div> </div><div style="clear:both;"></div>