Ok, so today (about 4 months after opening a ticket about this), a TP-Link technician connect to my machine to check out this behavior, after I heard repeatedly that it just should work, are you...

What do you see when you press the check for updates button?

@Philbert Good point, it's currently up to date. Although in that case I'd expect to get a message there is no firmware update available ;)

@Philbert That would be really bad imo, techincally, there is no reason why cloud access is needed for this. Will ppl from tp-link themselves react here?

Hi @Philbert That exact button you mention (check for upgrade), doesn't do anything, it only shows this:

I've recently updated the firmware and controller version of my OC200 to 1.8.0 and 4.3.5 (I came from controller version 3.x). I do not have cloud access enabled on the OC200. With the previous...