To easily check your Wi-Fi signal strength, look for how many lines appear in your device's Wi-Fi symbol. The more lines, the ...

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

A signal amplifier should only be used as a last ... those living nearby. To check, remove the power from the amplifier and see whether the problem goes away. There are three types of amplifier ...