https://devzone.nordicsemi.com/f/nordic-q-a/76453/i-have-problem-with-nrf51822-how-to-solve-problem-and-use-wiresharkHello, I bought the Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - V3.0 from Adafruit Bluefruit. So, I downloaded nRF Sniffer for Bluetooth LE 3.0 and tried to use Wireshark according to the nRF Sniffer for Bluetooth LE v3.0.0 Useren-USTelligent Community 13Thu, 17 Jun 2021 11:46:37 GMThttps://devzone.nordicsemi.com/thread/315852?ContentTypeID=1Thu, 17 Jun 2021 11:46:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:12d612e1-71c2-4d16-8a3d-20134f81440eHung Bui<p>Hi Dasol,&nbsp;</p> <p>I&#39;m not sure the hex files comes with the nRF Sniffer would work with the&nbsp;<span>&nbsp;Bluefruit LE Sniffer&nbsp;.&nbsp;</span></p> <p><span>As far as I know it would run with it own firmware. And you may not be able to use it with nRF Sniffer v3. Please follow the instruction in the documentation of the Blefruit LE sniffer.&nbsp;</span></p> <p><span><br />I would suggest to get hold of a nRF 52 DK or nRF52 dongle. They should&nbsp; work out of the box with the nRF Sniffer v3.&nbsp;</span></p><div style="clear:both;"></div>