We may change the displayed name of the vendor or provider to further customize the Xiaomi smartphone to our personal use or preferences.

Note: If we use two SIM cards (Dual SIM) from different network operators, we can change the names individually.

Android 10 (MIUI 12.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Display
Step 3:  Tap on  Status bar
Step 4:  Tap on  Edit carrier name
Step 5:  Choose a  SIM card   (Dual SIM)
Step 6:  Enter a  name  and tap  Back
  1. Open the Settings
  2. Tap on Display
  3. Tap on Status bar
  4. Tap on Edit carrier name
  5. Choose a SIM card (Dual SIM)
  6. Enter a name and tap Back

Xiaomi Instructions