https://devzone.nordicsemi.com/f/nordic-q-a/10323/advertising-processing-too-long-crashHello, I do connections between nRF51 in my application. When the central detect an advertising frame, it ask to a server is the device is allowed (few ms). When server response is late, the central crash on connection try. Is there any way to haveen-USTelligent Community 13Wed, 18 Nov 2015 19:42:52 GMThttps://devzone.nordicsemi.com/thread/38323?ContentTypeID=1Wed, 18 Nov 2015 19:42:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0109f985-0569-4a9b-bd77-a878f10fef31shibshab<p>I assume you are using a softdevice in your nRF51 application.</p> <p>I&#39;m not sure that I understand the problem, is the CONNECT_REQ packet send too late?</p> <p>The softdevice will not issue the CONNECT packet immediately after the &#39;sd_ble_gap_connect&#39; call is performed. It will make sure to time the packet correctly (150 micro seconds after ADV).</p> <p>Do you have a sniffer trace?</p><div style="clear:both;"></div>