1. Press the remote control setting key to enter the local configuration of the telecom set-top box 9), then enter the set-top box password and click "OK".

2. After entering the local configuration, select (Other Settings)-(System Upgrade).

3. Then press the "right button" on the remote control until "USB debugging" appears, and then turn on USB debugging.

4. Computer search and download TV box assistant. After the download is completed, use the computer to open the TV box assistant, search for the IP of the connection box, and then select "Install Application".

5. Search, download and install Dangbei Market and Dangbei Desktop by computer. You can drag the Dangbei market and the Dangbei desktop to the TV box assistant box for installation.

6. After downloading, select "Toolbox"-"Streamline System" above the box assistant.

7. Click "Box Application" below to find the Betan desktop, click the "Inverted Triangle" icon on the right, and select "Run Application" in the new menu bar that pops up.

8. After clicking "Box Application" below, a prompt "Startup Successful" will appear.

9. Go back to the desktop and open the Betan market. You can download the software you need in the telecom box.