Nrf51 DFU mode is not getting disappered after successful transmission of DFU zip file from mobile apphttps://devzone.nordicsemi.com/f/nordic-q-a/57512/nrf51-dfu-mode-is-not-getting-disappered-after-successful-transmission-of-dfu-zip-file-from-mobile-appHello, as mentioned in subject, I have done DFU on nrf51 DK. it is tottaly working fine. As soon as I try to work with Nrf51822 QFAC custom board. It goes in to bootloader mode once bootloader is laoded thorugh NRF go studio. Also while transferring zipen-USTelligent Community 13Fri, 07 Feb 2020 16:16:37 GMTRE: Nrf51 DFU mode is not getting disappered after successful transmission of DFU zip file from mobile apphttps://devzone.nordicsemi.com/thread/233354?ContentTypeID=1Fri, 07 Feb 2020 16:16:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bc9d1c77-f1a9-4529-8d43-421d1c834143Marjeris Romero<p>Hi,</p> <p>I don&#39;t see any reason why the DFU process will not go through when using your custom board. What you could do is to take a hex dump after the DFU and then compare with the same hex dump you tested on to the DK to see if there are any differences?</p> <p>Best regards,</p> <p>Marjeris</p><div style="clear:both;"></div>