How to change the SMS of Xiaomi 2 mobile phone to traditional mode with encryption function?

Change SMS to traditional mode operation: open SMS, press the menu key (the one in the lower left corner), and select Settings, Conversation Style and Simple List.

Encryption operation: Open the settings (system settings on the screen), security and privacy, privacy protection and password protection applications, then design a pattern password yourself, and then find the information. Similarly, you can set passwords for other applications.