https://devzone.nordicsemi.com/f/nordic-q-a/29750/mac-address-changes-after-dfuHi, We am using sdk 12.2.2 and nrf52. We are observing some strange behavior of chip. We have our own customized board. The issue is mac address shown is different in application file. But once I upload ble_secure_dfu code last byte if mac addressen-USTelligent Community 13Thu, 25 Jan 2018 12:47:11 GMThttps://devzone.nordicsemi.com/thread/117986?ContentTypeID=1Thu, 25 Jan 2018 12:47:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:03a2c2a2-7cf3-4549-98bf-749d8d621b31Hung Bui<p>We change address to avoid ATT table cached on the phone. You can have a look <a href="https://devzone.nordicsemi.com/question/37060/dfu-device-address-changes/">here</a> or at section I <a href="https://devzone.nordicsemi.com/blogs/685/common-faq-on-dfu/">here</a>.</p><div style="clear:both;"></div>