Pwndfu Mac [extra Quality]

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There are three technical reasons for this: Pwndfu Mac

With Pwndfu, you can restore any iOS version to the device, regardless of signing status. Tools like FutureRestore use a Pwndfu Mac to set the "nonce" (a random number generator state) so that SHSH2 blobs can be replayed. This is how users downgrade iPhone 7 from iOS 15 to iOS 10. : There are three technical reasons for this: