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.[5] At the start of second quarter of 2018, Xiaomi was the world's fourth-largest smartphone manufacturer,[6][7][8] leading in both the largest market, China, and the second-largest market, India.[9] 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.[10][11][12][13] Monthly active users (MAUs) of MIUI increased to 291.6 million in September 2019.[14]