I recently changed my phone plan from 750Mb to 1Gb Shock-Free Data. Ever since the change, my data hardly ever works. I have barely used any data because I can't get it to work anywhere I was using data before. I can't use it at work, or in the car. I was stranded on the side of the road tonight, and couldn't use my data to Google our car problem to figure out what was wrong. Why can't I used my data anymore, when this Shock-Free data is supposedly better than my previous data plan?