After the mobile phone bank of ABC recharges the phone bill, it goes to the personal account to find a red envelope. First, open the mobile banking, in the lower right corner, mine, and select the gift certificate after logging in successfully. Open the beautiful APP to view high-definition pictures. Gift Voucher-Gift, the system will automatically reverse the gift of 20 yuan call fee reduction coupons, exclusive to Shandong customers. Click Enter to copy the prize string code, return to the previous step in the upper left corner, and click Redeem in the upper right corner.

Telephone billing principle

Telephone charges usually refer to the prepaid expenses of telephone calls. When the phone bill balance is insufficient, it will cause downtime, which will lead to the service provider unable to continue to provide services to users and the phone can not be used. Sometimes it also refers to the cost of telephone consumption, so telephone charges generally refer to prepaid or consumer expenses.

Card is an information identification carrier. After receiving the signal, the mobile phone exchanges information with the server of the mobile company, so you can know how much money is on your card, just like you take a passbook to the bank to withdraw money. You can know how much balance is in your account through the passbook.