Default IP and no dewaling DHCP adresses

I would like for wp76xx to change default IP :

from to

additionally I do not want it to providedhcp automatically to connected PC (currentlly it automatically creates on PC ip address

I am building Yocto , so I need to know where to change that

how about using configEcm command?

yes, I found this option, but I want to build it by defult from the Yocto if possible

you might need to see what this script /mnt/legato/system/bin/configEcm is doing:

Or you can modify the init script:

you can also run script in legato application