How to inquire the balance of different cards (Unicom)

1. First, enter a search for "China Unicom Online Business Hall" in the computer browser, and click on the online business halls of official website and China Unicom in the search results.

2. In the login interface, enter your mobile phone number and password to log in. No password, login with random password.

3. Select "Query" above, and then click the "Account Balance" option below.

4. At this point, you can check the phone bill balance.