Hey mandamarie I have a couple thoughts on this. First, I would ask that you test your internet and make sure that's working. It's also a good idea to make sure that the phone has the correct APN settings based on what you see in the link below.
Okay so I created a new APN setting so it would match all the info from the link, and my phone isn't allowing me to select the new setting. Any suggestions? (preferably one that doesn't include having to purchase a new phone...) Thanks!