I am hoping someone else had this issue and has been able to resolve. I just got a Droid Razr this week, and I have the 4G mobile hotspot feature. I am trying to replace my slow DSL line at home, and most things in my house have tested fine (Internet access, etc.). However, my PS3 seems to have some issues, particularly with online gaming and testing the network connection. The game I am testing now is COD MW3. I thought maybe something like IP ports were blocked on the phone or 4G network, but searching online seems to indicate that isn't an issue. If I reconnect my PS3 back to the DSL, online gaming and network tests work just fine. Move it back to 4G and the game won't connect and the network tests don't complete.
I don't see any features on the phone that would indicate that you can modify any firewall like settings. Anyone else experience similar issues? Thanks in advance!