If we enable this feature on the Xiaomi smartphone, available updates are automatically downloaded and deployed.

Note: Another setting itemThe only thing we can turn on or off is mobile data downloading to prevent the mobile data volume from being exceeded or used up.

Android 10 (MIUI 12.0)
Step 1:  Open the  Settings
Step 2:  Tap on  About phone
Step 3:  Tap on  MIUI version
Step 4:  Open the  menu
Step 5:  Tap on  Update settings
Step 6:  Enable or disable  Download automatically
  1. Open the Settings
  2. Tap on About phone
  3. Tap on MIUI version
  4. Open the menu
  5. Tap on Update settings
  6. Enable or disable Download automatically

Xiaomi Instructions