You may have accidentally toggled the feature in the mobile banking app. This is a temporary block used when you have misplaced your card but haven't yet confirmed it as stolen. 3. Account-Specific Issues View, unlock or change your PIN - Santander UK
If you cannot unblock it digitally, call customer service: santander card blocked
To avoid the "Santander card blocked" headache while abroad, follow these proactive steps: You may have accidentally toggled the feature in
Visit the official Santander help page: santander.co.uk/help/card-blocked santander card blocked