So AT&T have the blackberry 9000 but I don't really want to have their service. So I can I still use the phone if ever I buy it and use T Mobile service with it?
Yes, but you need to unlock it. To unlock, I suggest you can approach Unlock-zone.com and specify the country,locked network of Blackberry 9000.Based on the availability you can get the permanent unlock service along with free instructions.
