1. Users of Unicom's mobile phone card can check the call records in the following ways: log in to China Unicom's online business hall and click the menu "Query-phone bill/bill-phone bill" to check the phone bill. Log in to China Unicom APP and click "Service-Inquiry-Telephone Charge/Details-Details Inquiry" to inquire about the call details.

2. View the call history list: Open the dialing interface of the mobile phone and click the "Call History" option at the bottom to view the call history list of the mobile phone. Generally, it will be divided into all incoming calls, missed calls, received calls, dialing records and other options, and the corresponding call records can be viewed as needed.

3. Online business hall inquiry: log in to the online business hall of the operator to which the number belongs, enter the number and service password to log in, and select "Call Record Inquiry". The website will send the SMS verification code to the checked number. After verification with the verification code, you can query the call records and provide downloading and printing.

Usually, one of the easiest ways to get the call record is to query it directly on the mobile phone. Specific methods: Open the "Address Book" of the mobile phone, switch to the "Call Records" tab, and view the phone call records.