Serial over Bluetooth not working

I am in the same boat - recompiled kernel for rfcomm support and tried everything I can find online with no success.

Here are a couple of places I have been.
Recompile Kernel

https://forums.developer.nvidia.com/t/how-to-enable-serial-port-profile-for-the-bluetooth-service-of-jetson-nano/81947

Post back if you figure it out!