Please open Settings ~ Applications ~ File Management ~ Clear the default settings.
How to change the avatar of Xiaomi account? You need to log in to Xiaomi official website to modify the avatar of Xiaomi account. The method is as follows:
1. Open a browser and visit Xiaomi official website. After entering, click the login button at the top.
2. After the login window pops up, enter Xiaomi account number and password to log in.
3. After logging in, click the Personal Center under my Xiaomi account to enter the Personal Center page.
4. After entering, click the avatar position and modify it directly.