Getting Unable to find bootable image in nRf5340

[Shanmugam]

2024-10-08 14:41:40.001000 I: w25q32jv@0: 4 MiBy flash
2024-10-08 14:41:40.017000 *** Booting nRF Connect SDK v3.5.99-ncs1-1 ***
2024-10-08 14:41:40.023000 I: Starting bootloader
2024-10-08 14:41:40.023000 I: Primary image: magic=unset, swap_type=0x1, copy_done=0x3, image_ok=0x3
2024-10-08 14:41:40.023000 I: Secondary image: magic=unset, swap_type=0x1, copy_done=0x3, image_ok=0x3
2024-10-08 14:41:40.023000 I: Boot source: none
2024-10-08 14:41:40.023000 I: Image index: 0, Swap type: none
2024-10-08 14:41:42.779000 E: Image in the primary slot is not valid!
2024-10-08 14:41:42.779000 E: Unable to find bootable image

[Vidar Berg]

Hello,

Please provide more information about your setup and how you are programming the device (which hex file you are loading, etc). The error suggests that there is no valid application in the primary slot.

Best regards,

Vidar

[Shanmugam]

Thanks , We reduce our application code and it worked. Now low into how to reduce the size .