If the card terminal has been tampered, this is a security breach and the card terminal needs to be replaced. The tamper detection is a protection mechanism to guarantee secure processing. It prevents unauthorised persons from making adjustments to the terminals.
When the display of the card terminals shows the word Tamper or Tampered, stop using the device and reach out to us straight away via our Contact us form, using your registered email, and our dedicated support team will promptly assist you further.