There is something wrong with the 1. installation package. You can download it again. 2. Mobile phones are not allowed to install software of unknown origin. Solution: Go to phone settings-Security-Check to allow the installation of software from unknown sources. 3. The memory of the mobile phone is insufficient, so uninstalling the software can make enough space.

Xiaomi Company was established in April, 20 10. Is a mobile internet company focusing on independent research and development of high-end smart phones, founded by top experts from former companies such as Google, Microsoft and Kingsoft. At present, Morningstar, Qi Ming, IDG and Xiaomi have invested 4100000 USD, of which 56 people from Xiaomi have invested11000000 USD, and the company is valued at 250 million USD. At the end of 20 10, the mobile phone real-name community Mi Chat was launched, and the registered users exceeded 3 million in half a year. In addition, Xiaomi also launched the mobile phone operating system MIUI, which had 300,000 active users in the MIUI community at the end of June of that year. On 2011August16th, Xiaomi Company officially released three Xiaomi technology core products: Xiaomi mobile phone, Mi Chat and MIUI.