Here is everything you need to know about why it happens and exactly how to fix it. Why Santander Blocks Your Card
Consumer Banking & Security Protocols
In the Santander app, go to your card settings and select 'View PIN' . After a quick security check (like FaceID or a passcode), the app will show you your PIN on screen for a few seconds. santander card blocked due to incorrect pin
Note: Contactless payments may continue to work temporarily until the cumulative spend limit for contactless is reached (usually £300), at which point a PIN is required, effectively freezing the card. Here is everything you need to know about
If the block happens at a shop terminal, the card might only be blocked for "Chip and PIN" transactions. santander card blocked due to incorrect pin