https://devzone.nordicsemi.com/f/nordic-q-a/58350/nrf51822aa-s110-dfu-problem-update-from-softdevice-ver-7-to-ver-8-with-dualbnankI generated two packages for OTA. The first package contains a bootloader and a softdevice 7.3.0. The second one contains a bootloader and a softdevice 8.0.0. I flash the device with NRFgo Studio. After that, I want to do a DFU upgrade from version 7en-USTelligent Community 13Thu, 27 Feb 2020 15:01:20 GMThttps://devzone.nordicsemi.com/thread/236925?ContentTypeID=1Thu, 27 Feb 2020 15:01:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:897072e4-209b-471e-a64c-3c921f582357LQ_creator<p>problem-solving (flag Enable sofdevice protection must be disabled)</p><div style="clear:both;"></div>