Apple Stops Signing iOS 10.3.2, Downgrading or Saving SHSH2 Blobs No Longer Possible

Apple systematically stops signing older firmware for its mobile devices a couple of weeks after a new firmware release to prevent downgrades. Although they’re slightly late this time around, they’ve closed the signing window for iOS 10.3.2 three weeks following the release of iOS 10.3.3.

iOS 10.3.2 was a minor update aimed at fixing some security vulnerabilities. Similarly, iOS 10.3.3 is also a minor release aimed at fixing some security vulnerabilities in the OS including a vulnerability that could allow a hacker to execute arbitrary code on the Wi-Fi chip of certain iPhone models. So, if you have not already updated your iPhone or iPad to iOS 10.3.3, make sure to do it right away.

From a jailbreaking perspective, the cat-and-mouse game makes it harder for hackers to keep jailbreaks current and to support them over time. On the other hand, Apple is obligated to close security holes when brought to their attention given just how much of a person’s life is stored on mobile handsets today.


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