Perhaps it is because the version is too low, or there are too many people logging in, and the website is crowded, so there is no way to download a secure online education platform, either upgrade it or complete it with an Android smartphone.

Solution: This situation is either upgraded or completed with an Android smartphone. Or switch to a good network and open it again.

Redmi is a series of smart phones first launched by Xiaomi Technology Company in July 20 13. Later, it became an independent brand of Xiaomi and was named "Redmi". The red rice mobile phone series is defined by Xiaomi as "the youth version of Xiaomi mobile phone", focusing on the mid-range and entry-level markets. On 20 19 1.3, Xiaomi Company officially announced the independence of Redmi Redmi brand.