Im Original steht da:
Also invisible was Mossad’s remote access to the devices. An electronic signal from the intelligence service could trigger the explosion of thousands of the devices at once. But, to ensure maximum damage, the blast could also be triggered by a special two-step procedure required for viewing secure messages that had been encrypted.
“You had to push two buttons to read the message,” an official said. In practice, that meant using both hands.
Der Code war also nur eine Möglichkeit das Ding zu zünden.