https://www.reuters.com/article/us-telecoms-mobileworld-xiaomi/chinas-xiaomi-unveils-680-5g-smartphone-sees-growth-in-africa-idUSKCN1QD0BC >China's Xiaomi has launched its contribution to a new wave of smartphones that will be able to take advantage of faster 5G mobile networks at a lower price than analysts expect from rivals such as Samsung.