How does Xiaomi's mobile phone view past short messages?

How does Xiaomi's old mobile phone view past short messages?

First of all, open the settings on the phone-all settings-open storage to view the memory card information of our phone! Here, you can check the internal storage size and the size of your own installed SD memory card.

Second, open the settings on the mobile phone-about the mobile phone-view the version information of the mobile phone, etc.

Three, millet engineering mode:

Dialing interface input *#*#4636#*#*

Display mobile phone information, battery information, battery records, usage statistics, WiFi information, etc.

4. Dial * # * # 4636 # * * to go to the interface-click the triangle button of "Mobile Phone Information", and the test information and various data of the mobile phone will appear.