How to redeem your Mobage Prepaid card
It will open your account page.
Click on the button on the top right part of the screen with the coin logo.
On the new page, you will be required to select a payment method to top up your account. Click on the dropdown form, and select ” Mobage モバコインカード“.
Click on the red “次へ” button.
Type your 10 digits code in the form and click on the yellow button below and your account will be charged.