How to set the color ring of mobile phone?

1. Take Cool Dog Software as an example. First, click the Cool Dog app icon on the desktop.

2. After entering, click the icons of three horizontal lines in the upper left corner of the interface.

3. Then click the ringtone option inside.

4. Then click the CRBT option inside.

5.CRBT has many ringtones, and the one on the right is purchased. You can set up CRBT by purchasing according to the prompts.