How do I unblock the CVV ? Aline C. 28 January 2021 10:56 Updated In your online account go to "Settings" (click on the Gear Icon above the image of your card or just directly on the image of your card) Click on Unblock CVV. Follow the instructions on the screen. *Note: this function is available on browser only. Related articles How do I unblock my pin code? How can I verify my account and upgrade to IDV2 ? My card expires soon, how do I get a new one? What is the CVV/CVC code and where can I find it? Does the VIABUY Prepaid Mastercard support 3D secure?