If we still have old SMS messages, for example from our loved ones, stored on the SIM card, they are not lost; we can retrieve and display them in the Xiaomi device's menu.

Note: There are no such messages in this guide, it only leads to the SIM card storage.

Android 10 (MIUI 12.0)
Step 1:  Open the  Messaging app
Step 2:  Open the  Settings
Step 3:  Tap on  Additional settings
Step 4:  Tap on  SIM card storage
  1. Open the Messaging app
  2. Open the Settings
  3. Tap on Additional settings
  4. Tap on SIM card storage

Xiaomi Instructions