Ringtone Duoduo is a software that collects various mobile phone ringtones for everyone to use, all of which are free, and also allows users to use the software to open the replacement call page. The specific operation method will be shared with you by the editor of Source Code Network.
1. First enter the homepage of Ringtone Duoduo and click My.
2. Then click the settings button in the upper right corner of my page.
3. Then click on the incoming call video settings.
4. Finally, turn on the switch at the back of the replacement call page, and the setting is complete.
