There are so many mobile companies worldwide they are making different types of the phone every time. The specific name that is given to identify each mobile individually is called a model. People can easily identify by a specific name that’s why every phone gives a specific model. Anyone easily identifies any phones by the model.
I don’t have any model name, then how you identify a mobile of your favorite brand. example, you choose a phone of one brand that you want to buy from a phone store. How will you buy the phone without a model? That’s why every phone has a specific name to identify. It is a model.