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My 5G connection is not working on my S33v2. I’ve tried rebooting the modem. I’ve tried using multiple routers. I’ve called xfinity and they say everything is normal on their end. I pay for 1G internet and currently am getting 10-15MB internet through the 2.4G channel.

did you try factory resetting it? 

What wired speed do you get? 


Yes, factory resetting gets the 5g up and working again for like 1 min. Then it disappears and the only network available to connect to is the 2.4g network. Wired to that network I’m getting 10-20MB/s speeds.

 

I know the issue isn’t the router because I’ve tried 2 relatively new ones. I have an old netgear modem/router combo that works - 5g shows up and can be connected to. But it’s not DOCS 3.1, so the speeds are like 50-100 MB/s.


My current setup:

 

arris S33v2 ->

WAVLINK AC3200 Smart WiFi Router-Dual Band MU-MIMO Gigabit Wireless Internet Router