Originally Posted by nb_mitch
I know when I replaced my broken 7290 last month and put the old sim in the new 7290, there was nothing on it, no contacts, no nothing that I could see. I had to start over, so I am not sure what the sim is for at all?
The SIM -- which stands for Subscriber Identity Module -- identifies your phone to the GSM network. It is uniquely connected to your account with your carrier. Without it, a GSM phone doesn't do anything. That's what the SIM is for.
Storing your contacts to the SIM is kind of a "side bonus." It is extremely limited. There can only be one-to-one storage -- that is, it is just
You can't store multiple numbers, let alone tons of information like the BB can, for each name. You shouldn't ever, ever rely on your SIM to save contact information except in case of emergencies. You should have synced up your new BB with the Desktop Manager, and that would have put all of your contacts back on the device.