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We can choose to display a data usage warning on the lock screen of the Xiaomi device after a set limit is exceeded.

Note: In this guide we will enable the lock screen warning and set the data usage warning, these steps are for illustration purposes only and can be skipped/left out.

Android 11 | MIUI 12.0
Step 1: Tap on  Security
Step 2: Tap on  Settings
Step 3: Tap on  Data usage
Step 4: Tap on  Data usage warning
Step 5: Enable or disable  Show warnings on lock screen
Step 6: Set the  Data usage warning
  1. Tap on Security
  2. Tap on Settings
  3. Tap on Data usage
  4. Tap on Data usage warning
  5. Enable or disable Show warnings on lock screen
  6. Set the Data usage warning
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Xiaomi Instructions