How to send SMS to customize CRBT?

First, you need to activate the color ring back tone function. This function ranges from 0 to 8 yuan (most provinces are 8 yuan/month). According to the voice prompt, dial 10086, 12530, 12580 (choose one from three) to activate. If CRBT is already turned on, please ignore this step.

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Edit the short message "CX" and send it to 10658830 to check the ringtone number.

Edit the short message "DG" and send it to 10658830 to download CRBT.

This is the official information of mobile 12530. Why do you want to edit it again?