Mine is not working either. I'm using 3GS, but I can not activate mine as I am no longer developer. I'm thinking this is why it's not working, but oddly when I do the 'skip activation' process the notification center bar is functional.
Just noticed that multitasking bar is also not working.
sbc02 was right in how to get it working. I was having the issue of not being able to use the notification center or the multi task bar when i first got the beta loaded. After shutting the phone off and turning it back on i was put through the set up again and now everything is fully operational thanks
did the restart work on a iphone that is not a registered developer?
P.S. my app called google voice i can no longer use because it always pops up and says conect to itunes to use push notifications but i cant obviosly because im im just 14 and cant pay to be a developer even though i totaly understand all of it.