Can SHSH blobs from one iPad 2 be used on other iPad 2 devices?
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octa86 • September 28, 2012 at 3:22am
I have a backup of SHSH blobs for iOS 5.1.1 from an iPad 2 and want to know if these blobs can be used to restore or downgrade other iPad 2 units to that same firmware version.
Answers
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iClarified • January 11, 2026 at 8:30pm
SHSH blobs are unique to each individual device and cannot be shared between different iPads. They are cryptographically tied to a hardware identifier called an ECID (Exclusive Chip ID). This means you cannot use the SHSH blobs from one iPad 2 to restore another iPad 2, even if they are the exact same model. To restore to a specific firmware version using blobs, you must have saved them specifically for the device you are trying to restore while Apple was still signing that firmware version.