How to delete useless channels in China mobile set-top box?

1. First, turn on the set-top box and TV, and wait for the set-top box to start.

2. After the set-top box starts, press the "Menu" button on the remote control of the set-top box.

3. Enter "Menu", then use the direction keys of the remote controller to find "System Settings", and click the "Confirm" button of the remote controller to enter.

4. Then navigate to Program Search through the arrow keys in System Settings, and click OK.

5. After entering "Program Search", select "Automatic Search" and wait for the set-top box to search automatically. After searching the set-top box, click the "Exit" button on the remote control, and the program will be searched.