This assumption is not correct. The (4-digit) passcode is entangled with the device&#x27;s unique ID, which is burned into the A6 application processor (on the other side of the logic board). It&#x27;s theoretically possible to extract the UID from the A6 at the silicon level, but not realistically possible.<p>I suggest you read the iOS Security Guide: <a href="https:&#x2F;&#x2F;www.apple.com&#x2F;business&#x2F;docs&#x2F;iOS_Security_Guide.pdf" rel="nofollow">https:&#x2F;&#x2F;www.apple.com&#x2F;business&#x2F;docs&#x2F;iOS_Security_Guide.pdf</a>