Resetting TAMPER on pin-pad VeriFone VX810

If message TAMPER appears on pin-pad VeriFone VX810’ screen, you must follow these steps:

Step 1.

Enter the system menu, password for it and then ENTER

Step 2.

Choose IPP KEY LOAD in the appeared list.

Step 3.

Press F1 button

After that, pin-pad will be reloaded and TAMPER ban will disappear.

Now you can upload software and KLK-key.