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This is really great news. I recently bought my fiancé an iPad 2 (4.3.5) so there was no way to jailbreak it due to the only option of upgrading was to 5.1
 
I'm excited about this, I want to do a "spring cleaning" on my 4S and run a fresh install and jailbreak, now there's hope :)
 
It is indeed excellent news. I've been faithfully saving each new SHSH Blob for my 4S in the hopes that someone would figure out a way to use them. It'll be nice to know that I can't lose my jailbreak ability no matter what happens.
 
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