How to check whether I have done CRBT service? And handling situation.

You can use the following methods to check whether you have completed the CRBT service and related processing:

1. This machine dials the service provider's hotline, for example, mobile dial 10086, and switches to manual operation, asking whether the CRBT service is enabled.

2. This machine dials 12530 or 12580 to open or cancel CRBT service, and normal call charges will be charged.

3. Log in to the CRBT website or mobile phone website, and click "Deal with Business"-"Other Business"-"Business Handling Record" to check whether the CRBT service is enabled.

4. Edit the short message "YDYWCX" and send it to 100 10, and reply the corresponding code according to the short message menu prompt.

5. Contact the local manual customer service or inquire in the local business hall.

Please note that the above method is only applicable to mobile users in China. If you are a user of China Unicom or China Telecom, please contact the customer service of the corresponding operator for consultation.