Restore Data Profile after bricking via downgrade method 1.15?

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http://forum.xda-developers.com – So I am currently flashed to Boost mobile and want to upgrade my firmware because I am having battery issues. I did the downgrade method on my EVO3d and didn't realize if you have a flashed phone it resets the data profile to sprint stock meaning its no longer "flashed" to boost. I had to pay someone to flash it because I don't know how to do it but I've heard in bits and pieces you can copy all the info before you brick for the downgrade and restore this information after downgrading. If I felt confident with enough info about it I would try but I'm not entire sure about it at this (HowTos)