How does Unicom mobile phone card check the phone bill balance through SMS? Thank you.

You can edit the short message "HF" on your mobile phone to 100 10, or you can inquire about the current month's telephone charges through the following channels: log in to the homepage of Unicom's online business hall, and click on the telephone charges inquiry > telephone charges inquiry > real-time telephone charges (current month's telephone charges); After logging in to the mobile phone business hall client, click Service > Query > Call Charge Query > Real-time Call Charge (Current Call Charge); Log in to the touch-screen version of wap. 100 10.com in the mobile phone business hall, and click Query > Call Charge Query > Real-time Call Charge (Current Call Charge); Log in to China Unicom's WeChat business hall page and reply to the number "1" or click Self-Service > Current Call Charge at the bottom of the page. If you want to check the balance, you can edit the short message "CXYE" or "YE" on your mobile phone to 100 10, or you can check the account balance in the following ways: 1. Log in to the home page of Unicom's online business hall, and click phone bill inquiry > phone bill inquiry > account balance; 2. After logging in to the mobile phone business hall client, click Service > Query > Telephone Charge Query > Account Balance; 3. Log in to the touch-screen wap. 100 10.com of the mobile phone business hall, and click Query > Telephone Charge Query > Account Balance; In addition to the above methods, you can also consult the local manual customer service or business hall.