How to set the operator name for vivo mobile phone?

Take vivo X9 mobile phone as an example.

operation sequence/order

1. To start, first find the application "Settings" icon on the mobile phone desktop and click to enter a new page.

2. Next, when you arrive at the settings panel, select the "Notification and Status Bar" column, and then click Enter.

3. When you reach the notification and status bar panel, select the Custom Operator Name column and click Enter.

4. Click to modify the operator's name.