1. After login system, card, prepaid phone operation, 2. Type in the code in this (may also directly bring a credit card or IC card read), click ok to list the cardholder information, including contact information, integration, balance, etc. If the card level due to top-up rules, will be loaded at the same time the top-up rules to top-up amount below the line, as shown At this point you can choose according to the rules, or other charge amount, for example want prepaid phone to send 20, 200 direct selection 200 to send 20, and then click ok, If want to other filling amount, fill in the amount in the top-up amount directly. Note: some sellers may require a percentage, as long as the set rules, direct input top-up amount can be.