iTunes 11.1 Kills Custom Restore IPSWs for iOS 7

iH8Sn0w, the hacker behind Sn0wBreeze, reveals that Apple has killed the ability to restore custom IPSWs for iOS 7 with the release of iTunes 11.1.

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So iTunes 11.1 seems to kill Custom IPSWs for iOS 7. Alternatives will be needed to perform custom restores.

(More technically, iTunes 11.1 recalculates the partial-hash of every img3 instead of using the ones in BuildManifest.plist). Which results in modified images having a different hash and being rejected by Apple’s TSS.

In other news, iTunes 11.1 also breaks iREB on s5l8900x devices (iPhone 2G, iPhone 3G, and iPod touch 1G).
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Thankfully, it appears as though iH8Sn0w is already working on a tool to restore without iTunes.

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Source:iclarified