A multigig internet plan hardly matters if your Wi-Fi connection is weak. Here's how to diagnose signal issues, and potentially, solve them.

Android: Swipe down from the top of your screen -- to access the Quick Settings panel -- and then tap the Airplane mode icon.

When a Wi-Fi signal is unobstructed, it generally creates a uniform pattern of coverage, but the various construction materials in your home will impact signal strength and actual coverage.