@b00rdly I have found for you a useful guide in how to find if outbound ports are blocked. That should be the first step in troubleshooting. See this link:...

@ImtiazAli From what I read in Roomba FAQ, they need outbound ports opened on firewall. The document you shared is for opening inbound ports on Deco router firewall.

@Anthonyb22 In regard to Access Point vs. Router mode, here is formal TP-Link document: What’s the difference between Access Point mode and Router mode on the Deco? Informally speaking, Access Point...

@Anthonyb22 Results of speed test are dependent on geographical and networking location of speed test servers. It is possible that when you don't use VPN, for some reason an app chooses server too...

Alan98 wrote It is really important to be able to turn off the Wi-Fi when not in use. I take this feature for granted in these systems. @Alan98 I have completely opposite experience. Whatever WiFi...

@JoeBlow You need to establish decisively if your X20 unit does or does not broadcast on 5GHz. This is how you can do that. Install WiFi analyzer on s21, I recommend this one from google app store:...