https://devzone.nordicsemi.com/f/nordic-q-a/9056/ios-changes-mac-address-when-connectedI have nrf51822 and I use latest SD130. I scan nearby ble devices. In my case they are iPhones. When one device is in rage then I connect to it and start scan again and keep connection. Now iPhone will change mac address when I am connected and scan willen-USTelligent Community 13Fri, 04 Sep 2015 08:36:42 GMThttps://devzone.nordicsemi.com/thread/33355?ContentTypeID=1Fri, 04 Sep 2015 08:36:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d2e8876d-2255-425d-bae8-d88cf9f8e5a5Susheel Nuguru<p>Are you using your phone as a peripheral? in that case it is best to connect to it using whitelisting. IPhone will not change IRK&#39;s</p><div style="clear:both;"></div>