If an app no longer works properly on your Xiaomi smartphone, or if you get error messages, it may help to clear the cache of each app by deleting temporarily stored files that may have overlaid each other and caused functional limitations.

Android 10 (MIUI 12.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Apps
Step 3:  Tap on  Manage apps
Step 4:  Choose an  app
Step 5:  Tap on  Clear data
Step 6:  Tap on  Clear cache
  1. Open the Settings
  2. Tap on Apps
  3. Tap on Manage apps
  4. Choose an app
  5. Tap on Clear data
  6. Tap on Clear cache

Xiaomi Instructions