https://devzone.nordicsemi.com/f/nordic-q-a/80469/ble-connection-with-mobileHi, I&#39;m using Nrf52840 to connect to a Mobile via BLE. I&#39;m advertising to start connection, and after bonding, I can start advertising with whitelist in order to connect again. When using specific types of mobile phones (One plus, for exampleen-USTelligent Community 13Tue, 12 Oct 2021 13:46:49 GMThttps://devzone.nordicsemi.com/thread/333759?ContentTypeID=1Tue, 12 Oct 2021 13:46:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f66c7652-33e6-4981-bb09-275af6ff3c3bJared<p>Hi,</p> <p>Scan interval and window are 100/20 ms respectively.&nbsp;</p> <p>regards</p> <p>Jared&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/333485?ContentTypeID=1Mon, 11 Oct 2021 11:53:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:19682ccc-d5fb-43bc-a09c-09a64efc3d11Roei<p>Hi,</p> <p>Thanks!</p> <p>In addition - I&#39;ve noticed that while my application can&#39;t find the advertising device, the Nrf connect finds it.</p> <p>Is it possible that I need to use the same scan window and interval parameters, in order to find the device as well?</p> <p>Where can I find those parameters?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/333427?ContentTypeID=1Mon, 11 Oct 2021 09:45:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:12199ad8-9968-4ca5-b8a9-d8fa69f2c536Jared<p>Hi,</p> <p>My guess is that&nbsp;the issue is the antenna design on the specific phone. Most likely the One plus phone has a better design in terms of RF.&nbsp;</p> <p>regards</p> <p>Jared&nbsp;</p><div style="clear:both;"></div>