https://devzone.nordicsemi.com/f/nordic-q-a/63453/nrf9160-dk-central-mode-nd-android-as-peripheral-modeHi , I have Android App acts as a peripheral app . and nRF9160dk as central mode. I&#39;m trying to scan for the android app , but not sure which filter to use. I referred the lte_btle_gateway . I saw the following : &quot; /* Thinghy advertisementen-USTelligent Community 13Fri, 10 Jul 2020 02:30:11 GMThttps://devzone.nordicsemi.com/thread/259301?ContentTypeID=1Fri, 10 Jul 2020 02:30:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:04610d41-7194-4909-83aa-151063c0cec1Leo26781<p>Hi ,&nbsp;</p> <p></p> <p>I tried that . But the Nordic nRf9160 kit does not detect my android app. I&#39;m able to see that in the nRfConnect android app:</p> <p></p> <p></p> <p><img alt=" " src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/1778.nrfConnect.jpeg" /></p> <p></p> <p>Am I missing anything ?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/259257?ContentTypeID=1Thu, 09 Jul 2020 14:54:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:024400ac-cf84-4d61-ae96-03b50f3f1fafHakon<p>Hello,</p> <p>you need to change the scan filter to filter the UUID of your device. This means putting a different UUID into bt_scan_filter_add() than the one used by thingy:91.</p><div style="clear:both;"></div>