Spotlight Search Plist

[sadpony]

Ok, so I am looking for the easiest way to search through my old SMS. I know that spotlight search can search the SMS but it is just the more recent ones, is there a way to edit the plist to make it search the entire history? If not, is there a cydia app for that?

I am using an ATT iphone 4 on iOs 4.3.3...