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 ...

If a poor signal quality is displayed ... the battery indicator, the Wi-Fi and speaker symbol appear on a shared button in ...

Simply press and hold the option key while clicking the Wi-Fi icon in the menu bar to see the signal strength in decibels. RSSI, or received signal strength indicator, is the key metric for your ...