OK, I'm reposting this but I found it, not my work but it works flawlessly and takes only 20 min.
Call 866-667-6472 save as st throttle
This is st managers direct line just say your 3g is throttled and u used almost no data; say "I just use for email and fb nothing major" be nice don't ask why throttle, keep it short n sweet also use another phone than bing bang they fix. Been on st att since n4 and gotta call once a month. Works tho and get art 45 month just takes 20 min call. Don't call regular st # or transfers n holding 3hrs later u want to punch baby seals, if u know what I mean