Why does the text message receiving sound on Xiaomi mobile phone sound like a frog’s cry?

The default sound can be changed by setting.

Xiaomi mobile phone is a high-performance smartphone developed by Xiaomi Company. Strategy Analytics released a report on global smartphone manufacturers' shipments and market share in the second quarter of 2017, which showed that Xiaomi shipped 23.2 million units and had a market share of 6.4%, returning to the top five in the world. On March 27, 2018, Xiaomi held its first new product launch conference in Shanghai and released Xiaomi MIX2S. At 2 pm on February 20, 2019, Xiaomi held a Mi 9 launch conference at the Beijing University of Technology Gymnasium.

In April 2010, Lei Jun and Lin Bin, former vice president of Google China Engineering Research Institute (who participated in the establishment of Microsoft Asia Engineering Institute and served as engineering director), Zhou Guangping, former senior director of Motorola Beijing R&D Center, and former Beijing Liu De, director of the Industrial Design Department of the University of Science and Technology, Li Wanqiang, the former general manager of Kingsoft PowerWord, Huang Jiangji, the former development director of Microsoft China Academy of Engineering, and Hong Feng, the former senior product manager of Google China, jointly founded Xiaomi. On July 12, 2011, Xiaomi's founding team made its official appearance, announcing its entry into the mobile phone market and revealing its three products: MIUI, Mi Chat, and Xiaomi Mobile.