@xiDani This is what I get on my iPhone: Can you verify that you are on the 5Ghz SSID? I tested with 2.4Ghz and got close to what you are seeing?

@xiDani Don't know what to tell you? I have 400Mbps service, and my ISP over-provisions it to about 480Mbps. This is what my Settings look like for Wireless: See if your settings are the same? I...

@xiDani Have you tried 'forgetting' the Network Connection? Especially if you are using the SAME SSID as the old router. It is possible some data from the old connection is saved? How to do that...

@Riley_S Right, I turned it off so long ago I forgot about it? On my AX55 there IS in Advanced a ONEMESH selection. I wouldn't call that very clear that it disables it though? I turned it on, and...

@RabbiR10.rr Well, this is 'odd'? You picked an Archer 1800 as your router? See the router 'sales' info here, https://www.tp-link.com/us/home-networking/wifi-router/archer-ax1800/, scroll down about...

That router it seems is a 'one-mesh' and can use a Range Extender, see https://www.tp-link.com/us/onemesh/, at least that is what I can see on the routers sales page? That extra SSD, it is the...