I want to know ok if i get a unlocked blackberry cellphones of e-bay dos that mean i can put my sim card ?

Question

frommy other phone and use this cellphones if it is with the same company?

Answer 1

unlocking a phone is just simply "lifting" the carrier restriction......

att phones are typically locked to their network, unlock it would just allow you to use it on another network....like T-Mobiles...

try here:

http://gsmunlocklabs.com

http://blog.gsmunlocklabs.com