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Join Date:Joined: Oct 2007
I don't know what Freedom is (being North Korean, I kid) but it doesn't say that you have root, it says it needs root. The rooting method you've used is the same one I and every other rooted people on 757 have used, so there isn't any issues with it.
Root it again (just flash SuperSU in recovery and reboot), open SuperSU and update binaries if it asks for it, and also update SuperSU itself in the Play Store. That's it.
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