The system detects that the user data partition cannot be used on Huawei mobile phones. What should I do?

The reason is that the data partition is damaged, which may be caused by abnormal power outage, malicious programs, etc. The solution: the only way is to restore the factory settings.

The steps for restoring factory settings on Huawei mobile phones are as follows (Note: This operation will lose all data, including phone books, text messages, call records, memos, etc. Please confirm that you can bear these losses.):

(1) Click to enter "Settings";

(2) Click to enter the "Backup and Reset" option;

(3) Click "Restore Factory Settings" Option;

(4) Slide the contents of the window to the bottom and click "Reset Phone" to restore the phone to its factory settings.