Xiaomi released its first smartphone in August 2011 and rapidly gained market share in China to become the country's largest smartphone company in 2014. At the start of second quarter of 2018, Xiaomi was the world's fourth-largest smartphone manufacturer, leading in both the largest market, China, and the second-largest market, India. Xiaomi later developed a wider range of consumer electronics, including a smart home (IoT) product ecosystem, which has connected more than 100 million smart devices and appliances. Monthly active users (MAUs) of MIUI increased to 291.6 million in September 2019.