Cell Phone Unlocking

[LotusBlossom]

I have a question tech people about an unlocked BlackBerry that I have.

It's T-Mobile in the US, since they are my carrier in the US. I got it unlocked so I could used it here in Vancouver and mostly when I head to Europe for work. Thing is I have two accounts in Canada, a Telus one and a Fido one. It works with my Fido # but it doesn't work my Telus # so I am using my old phone for that account.

Why doesn't it work with Telus but it does with Fido? I thought unlocked meant it could be used to any carrier.

[SKYO]

Two years later... lol

What matters is what technology/frequency the phones uses.

Telus is CDMA/HSPA and Rogers/Fido GSM/HSPA.

Additionally for BB's there are so many phones that are built for certain frequencies only.