NAIROBI, Oct. 19 (Xinhua)-- Chinese phone maker Vivo on Tuesday announced the launch of its latest Y-series model, the Vivo Y33s, in the Kenya market. James Irungu, the brand and communications manager for Vivo Kenya, said that the mid-range smartphone will be available at a retail cost of 23,999 shillings (about 216 U.S. dollars). "The all-new Y33s reaffirms Vivo's commitment to making innovative technology accessible to all consumers in the country," Irungu said in a statement. The Y33s, designed to provide a premium and seamless experience to customers with segment-leading features like the ultra-slim design, has an impressive in-cell display...