How do I unblock the CVV ? Aline C. 26 July 2021 12:34 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? My card expires soon, how do I get a new one? How can I verify my account and upgrade to IDV2 ? What is the CVV/CVC code and where can I find it? Does the VIABUY Prepaid Mastercard support 3D secure?