How to cancel the universal secondary card of China Mobile?

China mobile universal secondary card cancellation steps:

(1) Download China Mobile Business Office on your mobile phone, and then click Open.

(2) After entering the mobile phone business hall, log in to the account and click the business that has been done.

(3) After entering the following page, slide the page down to find the universal secondary card.

(4) Click on the details/unsubscribe on the right.

(5) Next, click Manage.

(6) Click to dissolve the group.

(7) Finish the previous step and click to get the verification code.

(8) Enter the verification code after receiving it.

(9) The secondary card was successfully cancelled.