1) They&#x27;d still need the Apple signing key otherwise you can&#x27;t update the phone. The software, without the key, is totally useless.<p>2) The same thing that prevents the FBI from subpoenaing Apple&#x27;s key. There isn&#x27;t a good legal basis for it. It&#x27;s almost definitely unduly burdensome for apple to give out their key.<p>If the FBI were to win a case like that, it doesn&#x27;t matter what happens in this situation.