Hi,
sdk:ncs v1.7.0
example path:D:\ncs\v1.7.0\peter\2_hello_world_board
board :9160dk_nrf9160
DK:PCA10090
prj.conf add config:CONFIG_BOOT_BANNER=n
D:\ncs\v1.7.0\nrf\samples\spm\prj_minimal.conf:CONFIG_BOOT_BANNER=n
How to remove the startup log


code:
Thank you for all your assistance.
Kind regards,
Peter.Min