Is there a cydia hack for iPhone which blocks my data usage being reported?

I have Straight Talk and love it. I have the 6 month unlimited everything plan, but lately it seams my speed has been dropping. Is there a Cydia hack that will let me continue to use my data, but for ST to not see it so I don't have to worry about a data cap. I've read around on the net and seen that even though its unlimited, it usually shuts off at about 1.5 GB per month, and I know I go above that.

Of course not.

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