1. Click the Cydia icon to enter the desktop.

2. Click on the software source option in the lower right corner to enter.

3. Click Edit in the upper right corner to enter the editing state.

4. Click the Add Source Address option in the upper right corner, add the source address: apt. 178.com, and click OK.

5. Click the search option in the lower right corner, search FakeCarrier in the search bar, and click Enter.

6. Click the installation option in the upper right corner.

7. After installation, click the device restart button.

8. After restarting, you can see the FakeCarrier application icon on the home screen, and then click Open.

9. After opening, enter the text to be modified in the "Carrier" column, and then click the "Set" button.

10. As you can see, the original operator text at the top has become the modified content.