Loss of download speed with Xfinity

[TO9]

With Ignite i was downloading at 950 mbps on a 1.5 mbps plan with wifi.   Intermittently it would drop to 600 mbps   After Rogers switched to Xfinity 950 mbps download speed and 177 mbps was much better and more consistent. A couple of weeks later download speed started slowing down. Now I am consistently getting 600 to 700 mbps download speed and 53 mbps upload consistently.  With ethernet connected it was always and still is downloading at 950 mbps.  My wifi is capable of 2.5 gbps. 

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[RogersCorey]

Good morning @TO9,

I understand that slow speeds can be disruptive to your daily routine.

In a case like this however, it seems like this issue is isolated to WiFi alone since your speeds on Ethernet are fine. This may indicate localized WiFi interference or issues with the devices you own.

Is this issue impacting all WiFi devices simultaneously? What devices specifically are impacted? What, if any, troubleshooting steps have you attempted thus far?

~RogersCorey