Upgraded about 6 months ago to new modem. It’s 30 feet away and I can’t get WiFi. Occurs in the evening mostly though daytime as well. Went to unlimited data on my phones as everyone complains the WiFi is horrible. Thought of wasting my time talking to service people is exhausting. Others say it doesn’t fix anything. Does Comcast have a different modem? Does buying a different modem fix the problem. Old modern hardly ever did this and if it did I’d reset it and it would be fixed
There are other options. Google for WiFi repeaters / range extenders, WiFi mesh systems / pods, powerline ethernet adapters, MoCA adapters. Good luck !
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