Are saved SHSH blobs from iOS 4.1 useable on 4.01?

louisxv11

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Oct 4, 2010
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I guess I am not the only one with this big Q so an answer would be appreciated by many. I just want to unlock my 3GS (new bootrom and on iOS 4.1) on any version of iOS4. It was never jailbroken and has no sh blobs saved so I have been unable to downgrade to 4.01 to get the jailbreakme.com unlock. But now that Limera1n beta3 can unlock the new bootrom, can I then save my SH blobs on Cydia, and afterwards downgrade to 4.01 (editing the hosts file) to be able to jailbreak AND unlock it?? I mean, are SHSH blobs firmware specific or will the ones saved when on 4.1 firmware be useable for a downgrade to 4.01. Thanks...