How does China Unicom unsubscribe from the ring tone service?

You can unsubscribe from the ringtone service in the following ways:

Cancel by sending a short message. Send SMS XLZX to 1655158 to cancel;

in the second way, cancel in the business hall. The owner himself cancels with valid certificate to Unicom's own business hall where he belongs;

in the third way, call 11 customer service hotline to cancel.