A front-facing smartphone with a wi-fi icon on its screen. 

Smartphone With Wi-Fi Signal

A WiFi signal symbol represented by a dot and three curved lines.

WiFi Signal

A Wifi router or modem with a short antenna, a slot and two dots, laying flat and facing at an angle.

A wifi symbol represented by three curved lines.

A gravestone shape with a crack on the top, weeds at the bottom, and a wifi icon on the front, representing no wifi connection.

A broken wifi icon representing a bad internet connection.