Internet slow and disconnecting a lot
I just purchased the Deco X55 3 pack. I'm using it to replace my old system, which was the wifi on my old Arris Surboard modem/router and a very old Airport Express and very old Airport Extreme. I disabled the wifi on the Arris and unplugged the airports.
I have Spectrum internet 200 Mbps plan. My internet has always been pretty stable, albeit slower than it should be. I generally would get < 100Mbps connected to either of the Airports.
Since hooking up the Deco, I was happy to see I generally get 200Mbps+ when connected to any of them. I have the base in my garage, a unit wired to Ethernet in my living room, and a unit wired to Ethernet in my office, which is at the back of my yard.
The issue is that the internet often seems to bog down and get very slow, or we can't connect at all. I notice this almost always happens when you initially connect a device after it has not been online for a while. But it also just happens randomly while using it. I would estimate a few times every hour. The wirelss signal is still strong, and Deco usually shows everything is fine, but you just can't connect to webpages or they take forever to load. Then a few seconds later, it will be connected at 200Mbps+ again. This happens across all our devices - phones, laptops, Nintendo, etc.
I also notice that a few times a day, the units will show a red light. Sometimes they even still work when showing it. Then eventually it will go green. Also, many times the Deco app can't find the server or shows no internet on one or all devices, even when the internet is working at that moment.
I've checked and this happens when connected both with 2.4 or 5ghz.
I've updated to the latest firmware. I've tried rebooting the system many times. I also tried in both Router mode as well as Access Point mode (although I'm a bit confused as to which I should use). Same results with both. I tried running the Optimization scan and apply the fix. I have not adjusted any other settings.
I'm not sure what else to try or if I should return these and get something else. Any help is appreciated.