MTN CEO Ralph Mupita has hailed the GSMA’s new affordable smartphone initiative as a “game changer” for Africa, urging governments and OEMs to make 4G devices accessible to all. The digital leap could bring tens of millions of Africans online and accelerate the continent’s digital economy. By Nhlanhla Muthe , Senior Writer MTN Group President and CEO Ralph Mupita (right) has called for Africa’s $30 smartphone revolution to be a catalyst in closing the continent’s digital divi