How to suspend on jetson nano

Hi JerryChang,

Will you be able to tell us where the board config file is and how to flash the board, or where we can find instructions to do this?

My JetPack version is R32.1. I can only suspend my Jetson nano by typing
echo freeze > /sys/power/state

How will this differ from using sudo systemctl suspend?
My Jetson Nano will wake up automatically after a few minutes into the “freeze” mode if the internet is connected. If the Jetson Nano is disconnected from the internet, it will happily stay in the “freeze” mode forever. i am wondering if I am not using the proper way to suspend the Nano.

Thank you very much.