https://devzone.nordicsemi.com/f/nordic-q-a/38458/disconnect-event-missingwhen i use IOS to connect my device, and disconnect, disconnect event will missing, but it&#39;s happend sometimes, not always. how to fix it? SDK： 15.0.0en-USTelligent Community 13Fri, 14 Sep 2018 12:10:27 GMThttps://devzone.nordicsemi.com/thread/148815?ContentTypeID=1Fri, 14 Sep 2018 12:10:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e56039bd-fab5-4abb-a941-6c83e17a88fcrun_ar<p>For how long did you wait after turning of bluetooth on iOS? And which iOS device and version are&nbsp; you testing. Still seems like iOS is keeping the connection alive for some time.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/148505?ContentTypeID=1Thu, 13 Sep 2018 01:39:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a3a1b623-a5c9-4d8e-bcbe-83003207a925suhaihui<p>but i has already pressed off the bluetooth button on IOS system.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/148378?ContentTypeID=1Wed, 12 Sep 2018 10:52:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5f0c3cb6-43ad-4cc5-b16a-eba23232d72arun_ar<p>iOS can/will keep the connection alive for some time even if you press disconnect in the application. Unfortunately this is not something that can be &quot;fixed&quot; from the iOS/app side.</p><div style="clear:both;"></div>