Getting a strong Wi-Fi signal in every corner of your home is not always easy. Sometimes, you notice slow speeds or dropped connections in certain rooms, and it can be tough to figure out why. Testing ...

While a lot of the stuff you do with your phone will involve wifi, the essential functions of a phone—the calling and the texting—still rely on a connection to a cell tower. If that link breaks, you ...

So, you’ve just unboxed a shiny new tablet, a next gen PC or console, or a gorgeous new smart TV. The money is spent, you’re excited; You’re ready to dive into 4K streaming, smooth gaming, and instant ...