MMS and 3G boost flashed problem

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http://forum.xda-developers.com – Hi i recently flashed my sprint gs3 to boost on my own and am having some difficulties with the getting the 3g to work and the mss to send. I tried a guide for mms but it wouldnt let me change the first setting described and im not able to link it as im a new member. As for the 3g i bought my donor info off of ebay and I cant figure out how to get the ha and aaa keys from the files i received. They were 5 text files with numbers in titled 465 466 1192 and 1194 also another file i used. Any help at all would be much apprreciated (HowTos)