How to add friends on Duoduo Ringtone? Some users may not know it when using Ringtone Duoduo. Next, I will bring you the detailed adding method, let’s take a look.
1. Open Ringtone Duoduo and click User Options in the upper right corner of the page.
2. Then select the friend’s avatar and click Open.
3. Then go to the other party's homepage and click "Follow" to add friends.
