10> app: Inside main 10> 10> app: Bootloader -1 10> Settings -1 10> Application -1 10> 10> app: In nrf_bootloader_init 10> 10> nrf_dfu_settings: Calling nrf_dfu_settings_init()... 10> 10> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend. 10> 10> nrf_dfu_settings: Resetting bootloader settings since neither the settings page nor the backup are valid (CRC error). 10> 10> nrf_dfu_settings: Writing settings... 10> 10> nrf_dfu_settings: Erasing old settings at: 0x0007F000 10> 10> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x0007F000, len=1 pages), queue usage: 0 10> 10> nrf_dfu_flash: Flash erase success: addr=0x0007F000, pending 0 10> 10> nrf_dfu_flash: nrf_fstorage_write(addr=0x0007F000, src=0x2000073C, len=896 bytes), queue usage: 1 10> 10> nrf_dfu_flash: Flash write success: addr=0x0007F000, pending 0 10> 10> nrf_dfu_settings: Backing up settings page to address 0x7E000. 10> 10> nrf_dfu_settings: Writing settings... 10> 10> nrf_dfu_settings: Erasing old settings at: 0x0007E000 10> 10> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x0007E000, len=1 pages), queue usage: 1 10> 10> nrf_dfu_flash: Flash erase success: addr=0x0007E000, pending 0 10> 10> nrf_dfu_flash: nrf_fstorage_write(addr=0x0007E000, src=0x20000ABC, len=896 bytes), queue usage: 1 10> 10> nrf_dfu_flash: Flash write success: addr=0x0007E000, pending 0 10> 10> app: Enter nrf_bootloader_fw_activate 10> 10> app: No firmware to activate. 10> 10> app: Boot validation failed. No valid app to boot. 10> 10> app: DFU mode because app is not valid. 10> 10> nrf_bootloader_wdt: WDT is not enabled 10> 10> app: in weak nrf_dfu_init_user 10> 10> app: timer_stop (0x20000020) 10> 10> app: timer_activate (0x20000020) 10> 10> app: Entering DFU mode. 10> 10> app: Initializing transports (found: 1) 10> 10> nrf_dfu_serial_uart: serial_dfu_transport_init() 10> 10> nrf_dfu_serial_uart: serial_dfu_transport_init() completed 10> 10> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend. 10> 10> app: Enter main loop 10>