12530 is the customer service hotline for China Mobile's music service. It provides various services related to music, such as music downloads, ringtone customization, and music streaming. Users can call this number to inquire about music-related products and services, manage their music accounts, and get help with technical issues. The service is available 24/7, and users can access it from their mobile phones or landlines. Whether you're looking for the latest hits or classic tunes, 12530 can help you find and enjoy your favorite music. Additionally, China Mobile often offers promotions and discounts on music services through this hotline, so it's a good idea to keep an eye out for special offers.