Step 1: Visit the app's homepage and click on the "Card" button.
Step 2: On the "Card" page, select corresponding card and choose “Collateralise."
Step 3: Click the recharge amount then select the coupon code.
Step 4: Choose "Cash Coupon" then click"Confirm"to complete the operation.
Step 5: After clicking "Confirm"you can check the balance on the card page.
Everything Can Be UPay✨