Once you are sure the card is lost or if you suspect it has been stolen, you must report it to cancel the card permanently and trigger a replacement. Via the Santander Mobile App Tap or 'Cards' at the bottom of the screen. Select 'Manage cards' and then 'Report card' .
Santander offers granular "Card Controls" that go beyond a simple freeze. These allow you to: Report Lost or Stolen Debit Card - Santander Bank lost bank card santander
It hasn’t.