Unicom always sends short messages: reply to the following code to handle the business. How to cancel?

Unicom always sends short messages: reply to the following code to handle the business, and send four zeros to 100 10 to cancel.

1.0000 Send a short message to 100 10, and you will receive a short message from Unicom on your mobile phone. Reply 7. Unicom will return some services, select the code of the service you want to cancel and reply.

2. According to the prompt, the cancellation will be confirmed for the second time, just reply Y. ..

3. Unicom can also directly call 100 10 customer service to cancel.