Inquire what SMS Unicom has handled.

Unicom users query has opened the service number method is as follows:

1. Log in to Unicom's online business hall and click "Do Business" > "Other Business" > "Business Handling Record" on the home page;

2. after logging in to the client of Unicom's mobile phone business hall, click service > query > basic information query > business handling records to query the business handling records for six months.

3. You can edit the short message "YDYWCX" and send it to 100 10, and reply the corresponding code according to the short message menu prompt;

In addition to the above methods, you can also contact local Unicom's manual customer service or go to the local Unicom's own business hall to inquire.