How do I activate my replacement/renewal card? Permanently deleted user 14 July 2022 07:43 Updated In order to activate your replacement card, please follow these steps: Please log in to your account at viabuy.com using your old account details After logging in, you will be prompted to enter the 9-digit ID of your new card When logging in again, please use the 9-digit card ID of your replacement card and your most recent password. The old card number can no longer be used to log in. Related articles How do I activate my new VIABUY card? How can I contact customer service? How can I open my account and get my VIABUY Prepaid Mastercard? Why can I not log in? How do I change my mobile number? Comments 0 comments Article is closed for comments.