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After updating the software with nRFtoolbox, my device doesn't advertising.

I am working with the secure bootloader example. I copied the firmware zip package to my phone. It contains only application.hex in the package, ​there is no softdevice or bootloader. the software package is installed on my device but afterwards it doesn't advertising. however, it works fine when I install software via the computer using the nRF connect application.

1)After loading the softdevice and application into nrf52 with nRFconnect on the computer, the flash memory image is as follows:

2)After loading the softdevice and bootloader into nrf52 with nRFconnect on the computer, the flash memory image is as follows:

3)This is the flash image after loading the application.hex file with nRFtoolbox.

I think there is a problem after installing softdevice and bootloader and softdevice is corrupted. or there is another problem. What could be the problem I'm having?

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  • Hi,

    I debugged with the pca10040_ble_debug example. Log outputs are as follows:

    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003C894, src=0x200084D0, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003C5B8, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003C988, src=0x200082E8, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003C6AC, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200083DC
    <debug> nrf_dfu_ble: Buffer 0x200083DC acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003CA7C, src=0x200083DC, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200085C4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003CB70, src=0x200085C4, len=244 bytes), queue usage: 4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003C7A0, pending 4
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_ble: Buffer 0x20008100 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003CC64, src=0x20008100, len=244 bytes), queue usage: 4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003C894, pending 4
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003CD58, src=0x200084D0, len=244 bytes), queue usage: 4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003CE4C, src=0x200081F4, len=244 bytes), queue usage: 5
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003C988, pending 5
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 192 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003CF40, src=0x200082E8, len=192 bytes), queue usage: 5
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_CRC_GET (data)
    <debug> nrf_dfu_req_handler: Offset:94208, CRC:0xD60AB9DD
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003CA7C, pending 5
    <debug> nrf_dfu_ble: Freeing buffer 0x200083DC
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_EXECUTE (data)
    <debug> app: timer_stop (0x200057D4)
    <debug> app: timer_activate (0x200057D4)
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003CB70, pending 4
    <debug> nrf_dfu_ble: Freeing buffer 0x200085C4
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003CC64, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003CD58, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003CE4C, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003CF40, pending 0
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_CREATE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x0003D000, len=1 pages), queue usage: 0
    <debug> nrf_dfu_req_handler: Creating object with size: 4096. Offset: 0x00017000, CRC: 0xD60AB9DD
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash erase success: addr=0x0003D000, pending 0
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D000, src=0x200082E8, len=244 bytes), queue usage: 0
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D0F4, src=0x200081F4, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D000, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D1E8, src=0x200082E8, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D0F4, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D2DC, src=0x200081F4, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D1E8, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D3D0, src=0x200082E8, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D2DC, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D4C4, src=0x200081F4, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D5B8, src=0x200084D0, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D3D0, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D6AC, src=0x200082E8, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D4C4, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D7A0, src=0x200081F4, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D5B8, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D6AC, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D894, src=0x200082E8, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003D988, src=0x200084D0, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D7A0, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003DA7C, src=0x200081F4, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D894, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003DB70, src=0x200082E8, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x20008100 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003DC64, src=0x20008100, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003D988, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003DD58, src=0x200084D0, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003DA7C, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003DE4C, src=0x200081F4, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200085C4 acquired, len 192 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003DF40, src=0x200085C4, len=192 bytes), queue usage: 4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_CRC_GET (data)
    <debug> nrf_dfu_req_handler: Offset:98304, CRC:0x4E6A5A35
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003DB70, pending 4
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_EXECUTE (data)
    <debug> app: timer_stop (0x200057D4)
    <debug> app: timer_activate (0x200057D4)
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003DC64, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003DD58, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003DE4C, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003DF40, pending 0
    <debug> nrf_dfu_ble: Freeing buffer 0x200085C4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_CREATE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x0003E000, len=1 pages), queue usage: 0
    <debug> nrf_dfu_req_handler: Creating object with size: 4096. Offset: 0x00018000, CRC: 0x4E6A5A35
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash erase success: addr=0x0003E000, pending 0
    <debug> nrf_dfu_ble: Buffer 0x200085C4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E000, src=0x200085C4, len=244 bytes), queue usage: 0
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E0F4, src=0x200081F4, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E000, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200085C4
    <debug> nrf_dfu_ble: Buffer 0x200085C4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E1E8, src=0x200085C4, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E0F4, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E2DC, src=0x200081F4, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E3D0, src=0x200084D0, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E1E8, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200085C4
    <debug> nrf_dfu_ble: Buffer 0x200085C4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E4C4, src=0x200085C4, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E2DC, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E5B8, src=0x200081F4, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x20008100 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E6AC, src=0x20008100, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E3D0, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E4C4, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200085C4
    <debug> nrf_dfu_ble: Buffer 0x200085C4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E7A0, src=0x200085C4, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E5B8, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E894, src=0x200081F4, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E6AC, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_ble: Buffer 0x20008100 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003E988, src=0x20008100, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003EA7C, src=0x200084D0, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E7A0, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200085C4
    <debug> nrf_dfu_ble: Buffer 0x200085C4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003EB70, src=0x200085C4, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E894, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003EC64, src=0x200081F4, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003ED58, src=0x200082E8, len=244 bytes), queue usage: 4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003E988, pending 4
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_ble: Buffer 0x20008100 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003EE4C, src=0x20008100, len=244 bytes), queue usage: 4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003EA7C, pending 4
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 192 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003EF40, src=0x200084D0, len=192 bytes), queue usage: 4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_CRC_GET (data)
    <debug> nrf_dfu_req_handler: Offset:102400, CRC:0xD8C65A34
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_EXECUTE (data)
    <debug> app: timer_stop (0x200057D4)
    <debug> app: timer_activate (0x200057D4)
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003EB70, pending 4
    <debug> nrf_dfu_ble: Freeing buffer 0x200085C4
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003EC64, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003ED58, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003EE4C, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003EF40, pending 0
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_CREATE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x0003F000, len=1 pages), queue usage: 0
    <debug> nrf_dfu_req_handler: Creating object with size: 4096. Offset: 0x00019000, CRC: 0xD8C65A34
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash erase success: addr=0x0003F000, pending 0
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F000, src=0x200084D0, len=244 bytes), queue usage: 0
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F000, pending 0
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F0F4, src=0x200084D0, len=244 bytes), queue usage: 0
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x20008100 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F1E8, src=0x20008100, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F0F4, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F2DC, src=0x200084D0, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F1E8, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_ble: Buffer 0x20008100 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F3D0, src=0x20008100, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F4C4, src=0x200082E8, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F2DC, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F5B8, src=0x200084D0, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F3D0, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_ble: Buffer 0x20008100 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F6AC, src=0x20008100, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F7A0, src=0x200081F4, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F4C4, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F5B8, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F894, src=0x200084D0, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003F988, src=0x200082E8, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F6AC, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F7A0, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003FA7C, src=0x200081F4, len=244 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x20008100 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003FB70, src=0x20008100, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F894, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_ble: Buffer 0x200084D0 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003FC64, src=0x200084D0, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003F988, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003FD58, src=0x200082E8, len=244 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200085C4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003FE4C, src=0x200085C4, len=244 bytes), queue usage: 4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003FA7C, pending 4
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 192 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0003FF40, src=0x200081F4, len=192 bytes), queue usage: 4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_CRC_GET (data)
    <debug> nrf_dfu_req_handler: Offset:106496, CRC:0xD9779395
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003FB70, pending 4
    <debug> nrf_dfu_ble: Freeing buffer 0x20008100
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_EXECUTE (data)
    <debug> app: timer_stop (0x200057D4)
    <debug> app: timer_activate (0x200057D4)
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003FC64, pending 3
    <debug> nrf_dfu_ble: Freeing buffer 0x200084D0
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003FD58, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003FE4C, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200085C4
    <debug> nrf_dfu_flash: Flash write success: addr=0x0003FF40, pending 0
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_CREATE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x00040000, len=1 pages), queue usage: 0
    <debug> nrf_dfu_req_handler: Creating object with size: 520. Offset: 0x0001A000, CRC: 0xD9779395
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash erase success: addr=0x00040000, pending 0
    <debug> nrf_dfu_ble: Buffer 0x200081F4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x00040000, src=0x200081F4, len=244 bytes), queue usage: 0
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200085C4 acquired, len 244 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x000400F4, src=0x200085C4, len=244 bytes), queue usage: 1
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_ble: Buffer 0x200082E8 acquired, len 32 (244)
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_WRITE (data)
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x000401E8, src=0x200082E8, len=32 bytes), queue usage: 2
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_CRC_GET (data)
    <debug> nrf_dfu_req_handler: Offset:107016, CRC:0x2245F7A7
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash write success: addr=0x00040000, pending 2
    <debug> nrf_dfu_ble: Freeing buffer 0x200081F4
    <debug> nrf_dfu_req_handler: Handle NRF_DFU_OP_OBJECT_EXECUTE (data)
    <debug> app: timer_stop (0x200057D4)
    <debug> app: timer_activate (0x200057D4)
    <debug> nrf_dfu_flash: Flash write success: addr=0x000400F4, pending 1
    <debug> nrf_dfu_ble: Freeing buffer 0x200085C4
    <debug> nrf_dfu_flash: Flash write success: addr=0x000401E8, pending 0
    <debug> nrf_dfu_ble: Freeing buffer 0x200082E8
    <debug> nrf_dfu_req_handler: Whole firmware image received. Postvalidating.
    <debug> nrf_dfu_validation: Hash verification. start address: 0x26000, size: 0x1A208
    <debug> nrf_dfu_validation: Invalidating old application in bank 0.
    <debug> nrf_dfu_settings: Writing settings...
    <debug> nrf_dfu_settings: Erasing old settings at: 0x0007F000
    <debug> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x0007F000, len=1 pages), queue usage: 0
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0007F000, src=0x2000951C, len=896 bytes), queue usage: 1
    <info> nrf_dfu_settings: Backing up settings page to address 0x7E000.
    <debug> nrf_dfu_settings: Writing settings...
    <debug> nrf_dfu_settings: Erasing old settings at: 0x0007E000
    <debug> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x0007E000, len=1 pages), queue usage: 2
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0007E000, src=0x2000919C, len=896 bytes), queue usage: 3
    <debug> nrf_dfu_req_handler: Request handling complete. Result: 0x1
    <debug> nrf_dfu_flash: Flash erase success: addr=0x0007F000, pending 3
    <debug> nrf_dfu_flash: Flash write success: addr=0x0007F000, pending 2
    <debug> nrf_dfu_flash: Flash erase success: addr=0x0007E000, pending 1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0007E000, pending 0
    <debug> nrf_dfu_req_handler: All flash operations have completed. DFU completed.
    <debug> app: Shutting down transports (found: 1)
    <debug> nrf_dfu_ble: Shutting down BLE transport.
    <debug> nrf_dfu_ble: Disconnecting.
    <debug> nrf_dfu_ble: BLE transport shut down.
    <debug> app: Resetting bootloader.
    <info> nrf_dfu_settings: Backing up settings page to address 0x7E000.
    <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
    <info> app: Inside main
    <debug> app: In nrf_bootloader_init
    <debug> nrf_dfu_settings: Calling nrf_dfu_settings_init()...
    <debug> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend.
    <debug> nrf_dfu_settings: Using settings page.
    <debug> nrf_dfu_settings: Copying forbidden parts from backup page.
    <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
    <info> nrf_dfu_settings: Backing up settings page to address 0x7E000.
    <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
    <debug> app: Enter nrf_bootloader_fw_activate
    <debug> app: Valid App
    <debug> app: Enter nrf_dfu_app_continue
    <debug> app: No copy needed
    <debug> app: Setting app as valid
    <debug> nrf_dfu_settings: Writing settings...
    <debug> nrf_dfu_settings: Erasing old settings at: 0x0007F000
    <debug> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x0007F000, len=1 pages), queue usage: 0
    <debug> nrf_dfu_flash: Flash erase success: addr=0x0007F000, pending 0
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0007F000, src=0x2000951C, len=896 bytes), queue usage: 1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0007F000, pending 0
    <info> nrf_dfu_settings: Backing up settings page to address 0x7E000.
    <debug> nrf_dfu_settings: Writing settings...
    <debug> nrf_dfu_settings: Erasing old settings at: 0x0007E000
    <debug> nrf_dfu_flash: nrf_fstorage_erase(addr=0x0x0007E000, len=1 pages), queue usage: 1
    <debug> nrf_dfu_flash: Flash erase success: addr=0x0007E000, pending 0
    <debug> nrf_dfu_flash: nrf_fstorage_write(addr=0x0007E000, src=0x2000919C, len=896 bytes), queue usage: 1
    <debug> nrf_dfu_flash: Flash write success: addr=0x0007E000, pending 0
    <debug> app: Resetting bootloader.
    <info> nrf_dfu_settings: Backing up settings page to address 0x7E000.
    <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
    <info> app: Inside main
    <debug> app: In nrf_bootloader_init
    <debug> nrf_dfu_settings: Calling nrf_dfu_settings_init()...
    <debug> nrf_dfu_flash: Initializing nrf_fstorage_nvmc backend.
    <debug> nrf_dfu_settings: Using settings page.
    <debug> nrf_dfu_settings: Copying forbidden parts from backup page.
    <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
    <info> nrf_dfu_settings: Backing up settings page to address 0x7E000.
    <debug> nrf_dfu_settings: Destination settings are identical to source, write not needed. Skipping.
    <debug> app: Enter nrf_bootloader_fw_activate
    <info> app: No firmware to activate.
    <error> app: Received a fault! id: 0x00004002, pc: 0x00000000, info: 0x2000FFB8

  • Hi,

    Are you using the unmodified example? 

    Can you check if the flow is something like the following:

    nrf_bootloader_init() -> nrf_bootloader_fw_activate() which returns ACTIVATION_NONE, due to your log (Can you check whether the switch (p_bank->bank_code) case is NRF_DFU_BANK_INVALID or something else?)

    Then when nrf_bootloader_init() returns ACTIVATION_NONE, it should call dfu_enter_check(). Does this return? Is it called?

    id: 0x00004002 means NRF_FAULT_ID_SDK_ASSERT.

    -Amanda H.

  • Hi.
    I could not take care of this problem for a long time due to my busy schedule. now I am dealing with this problem again.

    I checked what you said.

    nrf_bootloader_init() -> nrf_bootloader_fw_activate() which returns ACTIVATION_NONE, due to your log (Can you check whether the switch (p_bank->bank_code) case is NRF_DFU_BANK_INVALID or something else?)

    p_bank->bank_code value is 0x00000000.

    Then when nrf_bootloader_init() returns ACTIVATION_NONE, it should call dfu_enter_check(). Does this return? Is it called?

    Yes, I put a breakpoint there. Calling dfu_enter_check () function after ACTIVATION_NONE.

  • <error> app: Received a fault! id: 0x00004002, pc: 0x00000000, info: 0x2000FFB8

    The fault id indicates that an NRF_FAULT_ID_SDK_ASSERT has occurred somewhere in your code. I'm not sure why this would happen upon connection, but you can read out the assert_info_t struct stored at 0x2000FFB8 to find the line number and file name of where occurred. 

    E.g.,

    assert_info_t * p_info = (assert_info_t *) 0x2000FFB8 ;
    NRF_LOG_ERROR("ASSERTION FAILED at %s:%u",
    p_info->p_file_name,
    p_info->line_num);

    -Amanda H.

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