How can I use my own music to open a ringtone with my China Unicom card?

The steps are as follows:

1. First download the APP Unicom Mobile Business Hall on your mobile phone

2. Then find the login button and enter your mobile phone number and service Use the password and verification code to log in. If you forget the service password, you can use the SMS verification code to log in or reset the service password.

3. After logging in, directly search for the CRBT area and click to enter.

4. You can select your favorite song on the homepage or search for the song you want to set, then click Set Ringtone, and a monthly subscription interface will pop up.

5. The ringtones that implement the monthly subscription system are now available for you to choose. If you want to unsubscribe, just send the text message TDLXLS to 10655158 to unsubscribe.