In order to use BB messenger and email on your 8320 you need an internet connection through BIS (Blackberry servers). When you sign up for the service you will receive service books that will open up BB messenger on your phone.
Gbsn:
No Blackberry messenger icon, i had installed YM, Windows Live Messenger, and i can use the email...
but i dont have BBM...
what should i do?
should i upgrade my software?
i am having the same issue, connected to the BIS and can receive emails.
1. no BB messenger icon, but u see it in the applications list
2. going to blackberry.com/messenger, trying to download it gives an error that i cant get messenger for os 4.5