Last Updated: Oct 05,2010
I still don't have the latest update.
Sprint made me do a profile update when my wifi hotspot wasn't working when I first brought the phone. It started working once I did the update.
Your profile is the username and password identification that allows you to access data on the Sprint network as determined by your service plan.
Unless you're having trouble with your data connection, there is no need to mess with it.
Separate names with a comma.