How to cancel the GSM Unicom information fee and GSM free listening monthly fee?

Unicom users edit the short message pbyw to 10655 132 or 10655 133 to cancel Unicom's conviction (this short message is free). If you still miss the trap menu after the shutdown is successful, you will receive the following message: "You have applied to block Unicom's convincing function. If you need to resume service, please send a message from hfyw to 10655 132 China Unicom. "

Because users can listen to GSM at will, it is a monthly fee, which belongs to the minimum consumption standard and cannot be cancelled.