The bar charts compares World Sales of mobile phones between 2010 and 2020,and the table gives information about the proportion of individuals using different types mobile phone features over the same period.

The bar charts compares World Sales of mobile phones between 2010 and 2020,and the table gives information about the proportion of individuals using different types mobile phone features over the same period. Overall,it is clear that Global mobile phone sales samsung experienced in upward trends.while,Nokia mobile phones sales dramatically decreased.The popular mobile phone features was […]