Can I cancel the Unicom secondary card online?

Of course. Unicom vice card online cancellation steps are as follows:

1, enter the China Unicom app page.

2. Click the "Service" option at the bottom and select the "Processing" tab in the left margin. The list of major business transactions appears on the right. Slide up and drag to the bottom, and you will see the last "Close Account" function button.

3. Click the "close the account" button to enter the next step, select the reason for closing the account, and then click Next to enter the user notification.

4. Select the method to verify.

5. Enter the body for authentication. First upload the front and back of the ID card of the number owner, and then conduct video authentication of looking up, opening your mouth and blinking. After the in-vivo authentication is passed, the account cancellation can be completed by selecting the balance processing method after account cancellation.