Bell and AT&T are partners. AT&T and T-Mobile phones work on each other's networks.
Yes, it will work if you bought the SIM. Just get the phone unlocked.
Bell and AT&T are partners. AT&T and T-Mobile phones work on each other's networks.
Yes, it will work if you bought the SIM. Just get the phone unlocked.
You have to install it manually.
Edit the question and add details as to what phone you have and the carrier so I can send you info that will probably be much easier to understand.
The problem here is that you are using iOS.
http://www.google.com/nexus/4/
(Jailbreaking slows the shit out of your phone. I used to jailbreak back when I had my iPod touch 2G)