&quot;I have no clue where they got the idea that changing SPE firmware will destroy keys. SPE FW is just a signed blob on iOS System Part&quot; - John Kelley (Embedded Security @ Apple)<p><a href="https:&#x2F;&#x2F;twitter.com&#x2F;johnhedge&#x2F;status&#x2F;699882614212075520" rel="nofollow">https:&#x2F;&#x2F;twitter.com&#x2F;johnhedge&#x2F;status&#x2F;699882614212075520</a>