Online card opening: some bank outlets handle it at the counter, and the bank will mail the card to the cardholder after the card is successfully opened. 2. Offline card opening: Call the customer service phone of the bank and open the card according to the voice prompt. Just open the credit card. 3.app processing: Download the "Pocket Life" app, open the card on the selected page and enable it. You can click "Card Activation", "Card Manager" and "One-click Card Opening" in turn. Credit card activation means credit card activation.