We all knew about the world of smartphone company is creating different type of model different type of facilities. They provide many of the useful features with affordable price. Such company providing with the value of $0.016 in India at the festival of Hindu (Diwali) You can find "Diwali sale in india" at google.
These all of smartphones are not durable, its all are useful only for few months.
These types of smartphones makes pollution, electric pollution and brand pollution only. Give your idea to stop these type of pollution.