https://devzone.nordicsemi.com/f/nordic-q-a/17066/can-t-find-ble-peripheral-after-disconnectHi, After I&#39;ve successfully connected my smartphone via nRF Toolbox&#39;s UART-BLE Service to my nRF52 peripheral, I tried to mimic the scenario when the devices get disconnected. This is done by disconnecting the device on the central/smartphone usingen-USTelligent Community 13Tue, 18 Oct 2016 09:42:26 GMThttps://devzone.nordicsemi.com/thread/65453?ContentTypeID=1Tue, 18 Oct 2016 09:42:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:96a67163-982b-41c6-9156-2328b5887ad2AmiguelS<p>In order to restart advertising you could do something like the following:</p> <pre><code>void ble_on_evt(ble_evt_t * p_ble_evt){ switch (p_ble_evt-&gt;header.evt_id) { case BLE_GAP_EVT_DISCONNECTED: ble_advertise_start(); break; } } </code></pre> <p>The function <code>ble_advertise_start()</code> is the same one you used to start advertising the first time.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/65455?ContentTypeID=1Mon, 17 Oct 2016 20:30:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f388004a-6c38-4cfe-b098-7af9112db0b3leehong<p>is there any reference i can refer to in doing so?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/65454?ContentTypeID=1Sat, 15 Oct 2016 22:14:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cdfab357-e532-4a3a-97c4-88b6b87a4e6dawneil<p>Sounds like you&#39;re not restarting Advertising.</p><div style="clear:both;"></div>