Jetson xavier nx carrier board(not a developer kit) boot from sd card

I am using jetson Xavier NX carrier board. it’s not a developer kit. now it is bootable from internal memory. I want to boot from SD Card. so please suggest a proper and accurate procedure to solve my issue.
Thank you!

Supposed yor’re using eMMC verson Jetson Xavier NX, then it can’t support to boot from external SD card.