Pandora and Stitcher were not working on my Evo. I called the Sprint customer service and told them that my streaming apps were not working. They told me to take out the battery and restart it. That didn't work. So gave me the sequence to reset the profile. That didn't work, but through the process I was able to get my MSL number. Then I ran the sequence below that fixed the problem.
How To Get Thumbplay Working over 3G/4G after Sprint Update
1) Dial ##3282#
2) Choose Edit Mode
3) Enter Password (MSL)
4) Choose Advanced
5) Change HTTP PD Proxy Port to: 0
6) Change HTTP PD Proxy Address to: 0.0.0.0