https://devzone.nordicsemi.com/f/nordic-q-a/34916/advertising-manufacturer-details-in-snifferhi I am trying to add Manufacturer specific data ble_advdata_manuf_data_t manuf_data; // Variable to hold manufacturer specific data uint8_t data[] = &quot;A&quot;; // Our data to adverise manuf_data.company_identifier = 0x0059; // Nordics company ID manuf_dataen-USTelligent Community 13Wed, 30 May 2018 13:28:45 GMThttps://devzone.nordicsemi.com/thread/134048?ContentTypeID=1Wed, 30 May 2018 13:28:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:45882417-5e8b-4df2-bbd5-c100d7505cddHung Bui<p>So your manufacturing data is&nbsp;&nbsp;0x0041, what else do you expect to see ?&nbsp;</p> <p>0x41 means &#39;A&#39; in the ASCII table.&nbsp;</p> <p>The sniffer don&#39;t what your data is about (doesn&#39;t know it&#39;s a text) so it will just show the hexa value.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/134042?ContentTypeID=1Wed, 30 May 2018 13:12:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:50915a53-4902-464b-90f9-8c6cff0b8923priya123<p><img alt=" " src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/4300.5.png" />check it</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/134041?ContentTypeID=1Wed, 30 May 2018 13:10:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5f01e003-0698-4554-b2c8-935741d4fe83Hung Bui<p>Hi Priya,&nbsp;</p> <p>Could you upload your sniffer trace ?&nbsp;</p> <p>The picture is too small to see. Please upload the raw sniffer trace instead.&nbsp;</p><div style="clear:both;"></div>