The method is as follows:

1. Download the additional settings of OPPO R9.

2. Enter "Additional Settings" and select "Operator Information".

3. Select "Show Operator Name".

Setting method for displaying and hiding the name of OPPO mobile phone operator.

Version 1 and ColorOS 3.0, enter Settings-Notification and Status Bar-Operator Name Setting Operator Display;

2. In ColorOS version 2.0, set-display-operator information-display operator icon (or hide it all), and change the operator name to icon (or hide it);

3. In ColorOS 1.2 version (not supported by 1.0), go to Settings-Display-Operator Information-Show Operator Icon (or hide it all) and change the operator name to icon (or hide it);

Note: When setting dual card status and real-time network speed, operator information cannot be displayed.