We can set the default app for news or messages on the Xiaomi smartphone, which differ in navigation or menu navigation and can be downloaded from the Play Store at will.

Android 10 (MIUI 12.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Apps
Step 3:  Tap on  Manage apps
Step 4:  Open the  menu
Step 5:  Tap on  Default apps
Step 6:  Tap on  Messaging
Step 7:  Set the default  Messaging app
  1. Open the Settings
  2. Tap on Apps
  3. Tap on Manage apps
  4. Open the menu
  5. Tap on Default apps
  6. Tap on Messaging
  7. Set the default Messaging app

Xiaomi Instructions