Yup, when I say Chiaki I’m saying Chiaki4 also. I didn’t do anything other than that the information guide said. I’ve never tried anywhere other than at home, I play in the living room, network is all wired apart from Deck which uses its WiFi. The WiFi on my Deck has always been shit, always constantly dropping off from the Steam system - after a long time I found a fix, switch on developer options & there’s a WiFi option (can’t remember it offhand) but you turn it to the opposite of what it is by default so on or off.

That may be why my Chiaki works flawlessly - I have no idea.