Jetson Orin Nano Offline Setup

I have a Jetson Orin Nano Developer Kit that still needs its very first flash. I need a self-contained set of files—straight from NVIDIA—that will let me bring the board up without ever touching the public internet... (Budget: $5000 - $10000 USD, Jobs: Adobe Flash, AI Development, AI Model Integration, Linux, LLaMA, OpenClaw, PHP, Software Architecture)