How do Unicom users send short messages to check the balance of telephone charges?

Mobile phone users of China Unicom can edit the short message CXYE or send it to 100 10 to check the phone bill balance for free.

You can also inquire through the following channels:

Log in to the online business hall of China Unicom, and click "phone bill inquiry" > "account balance";

Log in to the client of China Unicom's mobile phone business hall, and click Service > Query > Call Charge Business Query > Account Balance;

Call local customer service or inquire in person in the business hall.