@FluffFreeman Let me summarize what you have, for better understanding, then I'll give my recommendations. You have Virgin cable router hub3, I googled and found its broadband speed is under 400Mbit....

@gwinegarden You will have to wire Main Deco regardless if you run it as a router or in AP mode. As for Satellite nodes, you don't have to wire them in AP node if you don't need to. I have three Deco...

@IgorRJ I am not TP Link support, but I can share my experience. What you have could be an issue between Samsung and TP-Link hardware. I just tested my Deco M5 with non-Samsung Android 9 smarpthone:...

@IgorRJ My mesh consists of two Deco M9 Plus and one M5. Main node is M9 Plus. I run them in AP mode. M9 Plus firmware: M5 firmware: WiFi settings screenshot:

@DeeDee23 Configure Deco to run in AP (Access Point) mode. Disable WiFi on your Arris modem/router. This is the easiest configuration, it should not mess your existent network. If WiFi signal from M4...

@Slaxxx "Normally the guest network is limited to only access the internet and not my home network, right?" Can't speak for M4, but M5 and M9 Plus have the ability for Guest Network to share same...