GRAND RAPIDS, Mich. — It's been a headache for Becca Richards and those who live around her, trying to get their Xfinity Wi-Fi back on for the past six days. It's going to be seven days tomorrow," ...

Slow internet can ruin streaming, gaming, and work-from-home days, but most WiFi issues are fixable without expensive upgrades. From router placement tweaks to using built-in Xfinity tools, small ...