How do I change payment from Smart Pit card to Credit card? August 30, 2023 11:54 Updated For this type of payment, please contact us as soon as possible. Related articles How do I change payment from Credit card to Smart Pit card (paying cash at the convenience store) How do I change payment method? How Can I Check the Smartpit Card Number on [Sakura Mobile My Page] ? How can I return the long-term SIM card? I do not have a Japanese credit card. Can I use my credit card issued in my country?