<info> nrf_bootloader_wdt: WDT is not enabled <info> app: Entering DFU mode. <info> app: NRF_DFU_EVT_DFU_INITIALIZED <info> app: Secure bootloader started <info> nrf_dfu_settings: Backing up settings page to address 0xFE000. <info> app: No firmware to activate. <warning> nrf_dfu_settings: No additional data erased <info> nrf_dfu_settings: Backing up settings page to address 0xFE000.
Nrf52833 stays in bootloader mode. Getting error No firmware to activate.