What if Guizhou Mobile CRBT cannot be replaced?

1. Log in to China Mobile Music Portal and click Login.

2. After entering the mobile phone number, click to get the verification code, and then check the SMS.

3. Fill in the received verification code into the website, and then click Login. After the login is successful, it will automatically jump to the home page, and you can start to change the color ring back tone.

4. Enter the name of the song you want to use as a color ring back tone in the search box, and then click Search. In the search results, listen to the color ring tones first to see if you are satisfied. If you are satisfied, please click "Order" in the audition window. If you are not satisfied, you can listen to other search results until you find something you like.

5. Return to the home page after ordering, click the ringtone to enter my ringtone management page, click my ringtone, and finally check the song you want to use as a ringtone, and click Settings.