If payment fails, please try following steps: 1. Login to your Yami account, save your bank card in Billing or will have saved card information deleted to add again. 2. Make sure saved payment information is consistent with bank file, and fill in all information including contact email address, phone number, etc. 3. If you are on App, try through PC website. If you still have problem following the above way, please contact your card issuers for further assistance.