iOS 10.2 – Downgrade To iOS 10.1.1 With Prometheus + SHSH2

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In this video I will introduce the prometheus / futurerestore tool created by @tihmstar. This tool was released yesterday after being discussed on 33c3 conference. It basically allows you to downgrade your iPhone to practically any iOS version for which you saved the SHSH2 tickets. (Remember when I made two videos about how to save these and I told you it is pretty important?).

This can be done in two ways, both require you to have saved the new SHSH2 tickets.
First method: NONCE attack…

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