First off the only reason I'm answering the question although you have asked this in multiple threads is to help others who may do a search for answers to questions as is standard in most forums. You attitude if you continue will not result in any answers in the future. As for telling the Mods to not respond unless they answer your question, all I will say is that's extremely foolish.
Now to give a response
Two possibilities. The first one is the phone is not really unlocked. The second is the SIM is not provisioned
. How do I determine if my BlackBerry is "unlocked"? - BlackBerryFAQ KB10824-Insert SIM Card, or Data connection refused