While using a computer, you might experience different kinds of problems. One of which is WiFi connectivity problem, as your laptop or computer is unable to connect to WiFi network.
WhatsApp has been favorite choice of almost all smartphone owners. Why it should not be when it is the top cross platform messaging app which is available for iOS, Android, Windows Phone and even java. The giant was bought by Facebook few years ago and since then, WhatsApp has further improved a lot.