If the password is , but you are the legitimate owner:
He pulled up a forum thread titled "S7-1200 Password Unlock - Top Priority." The comments were a graveyard of "impossible" and "you need a factory reset." But one user, NullByte , had posted a cryptic string of hexadecimal code an hour ago. s71200 password unlock top
In TIA Portal, set the card type to "Transfer" in the card's properties. Power off the PLC, insert the card, and power it back on. If the password is , but you are