Vivian Tan, UNHCR Representative ad interim in China, shows a partnership proposal. (Provided by UNHCR) Africa's leading smartphone brand TECNO announced on Tuesday the renewal of its partnership with the United Nations High Commissioner for Refugees (UNHCR) to boost education for refugee children living in Africa. NAIROBI, June 1 (Xinhua) -- Africa's leading smartphone brand TECNO announced on Tuesday the renewal of its partnership with the...