What is WiFi? How does WiFi work?

WiFi is a form of local area networking and wireless Internet access used by people around the world to connect their devices to the Internet without cables.
WiFi is a form of local area networking and wireless Internet access used by people around the world to connect their devices to the Internet without cables.
Usually Android devices are not equipped with the feature to automatically disconnect and switch to another Wifi network when the signal is poor. Since you often have to connect manually, it's unavoidable for many busy times to forget to reconnect.