Jelly Bean on Galaxy Tab 7.0?

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http://androidforums.com – I have the original galaxy tab 7.0, the one that came with 2.2 Froyo officially from samsung. I was wondering if it is possible to custom install (since I don't think samsung supports it) jelly bean 4.1. Can it be done? Or if it is not what is the most recent android version, I can custom install? I apologize if this question has been asked before. I searched on the forums here as well as google and couldn't find anything about this being possible/impossible. All the information I did find was for the galaxy tab 2 or 7.0 plus both of which I do not have. (General)