How to query the remaining traffic and telephone charges of telecom cards?

Unicom mobile phone card users can query the phone bill and residual traffic in the following ways:

1. Log in to China Unicom APP, and click "Service-Inquiry-Telephone Charge/Detailed List-Remaining Telephone Charge/Balance Inquiry" to inquire.

2. Log in to the online business hall of China Unicom and click "Inquiry-Telephone Charge/Detailed List-Remaining Telephone Charge/Balance Inquiry" on the homepage.

3. You can also call Unicom's artificial customer service hotline (100 10) for inquiry.