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We can restrict and specify which phone numbers or numbers with area code are allowed to be dialed from the Xiaomi smartphone.

Note: PIN 2 is required to enable or disable Fixed Dialing Numbers (FDN).

Android 11 (MIUI 12.0)
Step 1: Tap on  Phone
Step 2: Open the  Menu
Step 3: Tap on  Settings
Step 4: Tap on  Calling accounts
Step 5: Tap on  Advanced settings
Step 6: Tap on  Fixed Dialing Numbers
Step 7: Choose a  SIM card   (Dual SIM)
Step 8: Turn On/Off  Fixed Dialing Numbers  and set the  FDN list
  1. Tap on Phone
  2. Open the Menu
  3. Tap on Settings
  4. Tap on Calling accounts
  5. Tap on Advanced settings
  6. Tap on Fixed Dialing Numbers
  7. Choose a SIM card (Dual SIM)
  8. Turn On/Off Fixed Dialing Numbers and set the FDN list
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Xiaomi Instructions
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