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 ...

Xfinity Mobile’s WiFi PowerBoost lets your phone access Wi-Fi speeds in excess of the internet plan you’re paying for. So far it’s supported iPhones and Samsung Galaxy flagships and mid-rangers, but ...