To vidman64,
Please don't feel the wrong way if I appear to be lecturing you.
Since you confess to be a newbie, I am going to treat you as such.
1. Pairing is a procedure to connect your drone K911 with the controller (which came with your drone), so that you can fly the drone the way you want, such as ...... left, right, forward, backward, up, down, 360 flip, take pictures, record video etc etc.
It has nothing to do with your drone's camera nor your Pixel 4a phone. They have no part in pairing.
2. Your K911 has a 5g wifi camera and your Pixel 4a phone has 5g wifi capability. That makes Wifi connection between your drone's camera and your phone possible. You then need an app installed (which you did) so that whatever the drone's camera sees can be transmitted directly to your phone.
It does NOT need internet connection. In fact, you do NOT want internet connect when flying your drone.
3.The message "UAV GO_5G_HF_86783168 "connected to device. Can't provide internet", means your drone's camera and your phone are connected. Ignore "Can't provide internet" part. It is normal. You are NOT supposed to have internet when Wifi is connected.
Repeat what you did before. When you see that same message, open the app you have installed.
If you see picture on your phone coming from the drone's camera, you are all set. Except getting the GPS ready.
Please post back the result.
Good luck and have fun flying.