[jacobwr157]

i just downloaded the FB app for my unlocked BB 8900 OS 5.0.0.554 and its giving me an error message when i go to open it:

Could not connect because a data service is not available. Please try again later. If this continues, contact your service provider for support.

what do i do? i have unlimited data from at&t, and i dont want to call them unless i have to (unlocked phone)