How to charge the phone bill with Bao Yun technical exchange voucher?

The steps are as follows: 1. Redeem the corresponding face value coupons in Bao Yun Science and Technology official website and Bao Yun APP to obtain the redemption code.

2. Log in to mobile phone operator official website and APP, and select "Recharge" or "Pay" function.

3. Select "Use Exchange Voucher" or "Use Exchange Code" in the top-up page. The recharge process of different mobile phone operators will be different, and the specific operation shall be subject to the corresponding operator official website or APP.