The smartphone age won't be over soon. In fact, the mobile industry will only grow bigger and may eventually beat the laptops and desktops when it comes to personal computing technology. Smartphones are very useful that people can do almost anything with it. With its small and handy form, you can bring it anywhere. WiFi used to be the basic Internet connection in phones, then it became 3G, and now, 4G/LTE which is slowly becoming the standard.