@Nathanpgonzalez One more thing just came to mind. On both iPhone and computer open web site and note Public IP address it reports. It should be the same IP address when web site is opened on both...

@Nathanpgonzalez Everything seems to be OK. Your PC connects at WiFi6 speeds. Your Main Deco must have negotiated gigabit wired speed with modem/router - if it were 100Mbps, that would be the max...

@Nathanpgonzalez One more thing: what app or web site do you use to run speed test on your phone?

@JohnR117 The first M5 you configured will be Main Deco. Main Deco must be connected to your router by Ethernet cable. All other M5s are Satellite Deco - they can connect wirelessly to Main Deco.

@ArunP You will need to check router documentation or support forum to find how to turn off its WiFi: different routers do it differently. Some even have button on them to turn off WiFi: that is...

@Nathanpgonzalez Verify that your phone is connected to Main Deco: by turning off Satellite Deco and checking Deco app to see that it does report your phone connected to Main Deco. When done that,...