If the customer has already obtained the coupons for traffic and call charges, please log in "Guangdong Mobile Phone Business Hall" APP - My Mobile - Coupons (My Card Package) to redeem and use them. Redemption method: When redeeming, please select the "√" icon on the left side of the coupon to be redeemed, and then click on Redemption. Warm reminder: the coupon has a redemption period, please redeem the coupon before the redemption period, the expiration date will not be able to redeem.