https://devzone.nordicsemi.com/f/nordic-q-a/84401/custom-mac-address-break-the-dfuMy application requires to change the device name as the identification of the device. However, we found the changing the device name might not be detected by the Android App because the Android phone seems to cache the device name for some performanceen-USTelligent Community 13Fri, 04 Feb 2022 12:28:25 GMThttps://devzone.nordicsemi.com/thread/351325?ContentTypeID=1Fri, 04 Feb 2022 12:28:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a2ca1ea3-a9e6-4422-bccc-98dbb451f83fEdvin<p>Hello,</p> <p>I think the simplest solution to this would be to use the &quot;custom address+1&quot;&nbsp; in the bootloader. What SDK are you using? I guess you have the custom address stored somewhere in flash (UICR?), so you can read it out from the bootloader, just like you do in your application. Depending on what SDK version you are using, the location of the address setting in the bootloader may vary, but look for sd_ble_gap_addr_set() in your bootloader project.</p> <p></p> <p>Best regards,</p> <p>Edvin</p><div style="clear:both;"></div>