Not quite correct. You can change SIM and still continue to receive emails
regardless of the Service Provider. The bigger problem would be Roaming on
the overseas BlackBerry Relay. He has to be registered on that Relay. He
should explain to his carrier what he wants and they should help him.

"dafond" <dafond@videotron.ca> wrote in
news:OSsyb.21140$Ac1.321444@weber.videotron.net:
> Sorry bud, it is impossible to unlock a blackberry

> If you unlock it, you will be able to place and receive calls from
> another carrier (with their sim). But, it wont be possible for you to
> send/receive emails.
>
> Each BB has a pin. Each carriers support a series of pins. You BB
> has a pin that is assign to t-mobile. When a message is sent to you,
> the Rim Relay in Waterloo, Canada will send the message through
> t-mobile. If you have a sim from another carrier, the message will
> stay on t-mobile network until t-mobile reached the BB.

> Dan
> "Rich Tong" <richtong@hotmail.com> wrote in message
>> news:fe1e1827.0309010959.5efce000@posting.google.c om...
>> > I've got a new Blackberry 7320 and love it. Problem is I'm going
>> > overseas so would love to get the unlock code for it. Does anyone
>> > how to get that for my T-mobile locked phone?