The wireless technology, especially mobile phones, are increasingly being utilized across the globe. The rising usage of mobile phones has made life easier on a lot of fronts. Communication has become easier, and now with the smart phones, people can almost do everything they can do with their computers via smartphones. In 2020, about 3.5 billion people are using smartphones, which is about 45% of the world’s population owing a smartphone. In addition to this, the total number of people across the globe who own a smart and feature phone is 4.78 billion, which is approximately 61% of the world’s population .