When developing DFU OTA function APP, it can't come out in bootloader mode

When developing DFU OTA function APP, it can't come out in bootloader modehttps://devzone.nordicsemi.com/f/nordic-q-a/68025/when-developing-dfu-ota-function-app-it-can-t-come-out-in-bootloader-modeNow I am using Nrf52832,SDK15.0.0, S132, When we developed the DFU OTA function APP, we encountered some abnormal situations: it could not get out in the bootloader mode, and it also became bricked. Use single bank mode, safe DFU. Now I am going toen-USTelligent Community 13Fri, 06 Nov 2020 12:47:16 GMTRE: When developing DFU OTA function APP, it can't come out in bootloader modehttps://devzone.nordicsemi.com/thread/278776?ContentTypeID=1Fri, 06 Nov 2020 12:47:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1d048032-e321-4f3a-9e44-fec6c03881dbVidar Berg<p>Hello,</p> <p>When you say bricked, does it mean that the only way to recovert the device is to re-program it with an external programmer? Also, does the new application run ok if you program it directly with the programmer?</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>