Joke Collection Website - Public benefit messages - Suddenly, all the information stored in the mobile phone is gone. What happened?

Suddenly, all the information stored in the mobile phone is gone. What happened?

Hello, it may be that there is something wrong with the mobile phone, and the data can't be saved in time after restarting, resulting in some changes in the settings in the mobile phone. In other words, after restarting, you may change the default storage setting of SMS to mobile phone. Just go into SMS settings and see if there is a storage option. . . I don't know without it; Yes . .