@kanesimages Be careful, differentiate between the words based on "bind" and either "pair" or "link" .
In relation to DJI drones, "bind" etc. now has a specific meaning and relates to 'insurance cover' etc.. It is not related to establishing the connection between the drone and controller that is used for controller purposes.
The latter is "pairing" or "linking".
Which do you mean?
"Pairing" / "linking", for control purposes, does not need an internet coneectionion, indeed it can probably be done without the tablet being connected to the controller.
Binding REQUIRES an internet connection and use of the app to create the binding or undo the binding.
I think it also requires that the 'old' controller be unbound from the drone BEFORE the 'new' controller CAN be bound to the drone.
I suspect you are asking about pairing but .........
If, by any chance, you have flyaway insurance on the drone then, for that insurance to be valid, the controller in use MUST be bound to the drone.