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How to cancel the supplementary card in the China Unicom mobile business hall. How to cancel the supplementary card in the China Unicom app.
- WBOYOriginal
- 2024-07-03 12:10:59620browse
How to easily cancel the China Unicom supplementary card and enjoy free calls? PHP editor Yuzai brings you a detailed guide to teach you step by step how to do it easily through the China Unicom app.
Click on customer service
Open the China Unicom app and click on customer service in the upper right corner.
Click on online customer service
In the customer service interface, click on online customer service in the upper left corner.
Click to view
to enter the customer service interface, and you can go to the business hall to cancel the supplementary card.
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