R Rikki O New member Nov 11, 2010 #1 I actually know how but when I'm unlocking my blackberry do i need to leave the tmobile sim card in there or do i put in my att card? It's a tmobile blackberry that I am unlocking so I can use it for att.
I actually know how but when I'm unlocking my blackberry do i need to leave the tmobile sim card in there or do i put in my att card? It's a tmobile blackberry that I am unlocking so I can use it for att.
