https://devzone.nordicsemi.com/f/nordic-q-a/9642/connect-failureHi,all. i use ble sniffer to capture data between my phone and device,that sniffer says:malformed packed and connect failure.What&#39;s wrong? 连接不上问题抓包01.pngen-USTelligent Community 13Mon, 12 Oct 2015 09:25:56 GMThttps://devzone.nordicsemi.com/thread/35636?ContentTypeID=1Mon, 12 Oct 2015 09:25:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:58d8cac6-04f8-46b2-92ce-650e5ab44413Hung Bui<p>@leo.ni: You can have malformed packet if the sniffer couldn&#39;t capture the packet correctly, have you put the phone, the nRF51 and the sniffer close to each other ( less than 50cm ? ) Also please send a full trace when you have the connection request failure. You can click File -&gt; Save</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/35635?ContentTypeID=1Fri, 09 Oct 2015 17:53:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2a041099-ebf6-48a6-9ba2-76813121e080Andrew<p>An answer requires more information:</p> <ol> <li> <p>What Nordic chip / development kit are you using?</p> </li> <li> <p>What example code or application type are you running on the board / chip?</p> </li> <li> <p>What make and model of phone are you attempting to packet sniff?</p> </li> <li> <p>What type of data do you intend to sniff between the phone and the chip / board?</p> </li> </ol><div style="clear:both;"></div>