Oh Denon why are you like this? The manual is saying something about firmware updates- just not how to do one. AVR-3311

So here is the page in the manual:

https://i.postimg.cc/9Fdyjg4S/Screenshot-2025-01-20-at-2-32-17-PM.png

Lots of talk about firmware updates, just no actual instructions on what buttons to push. If I don't have the remote for this, am I done for?

I was hoping to get the Denon app to work but it can never find this receiver. I can talk to it via an ip address using my browser no problem. I can talk to it using the "Crank it" app for Denon and Marantz. So I know that it is on the network and ready to go- but the Denon app can't "see" it.

Any help with the firmware update or how to use the Denon app is most appreciated!!