You can unlock Tmobile using codes that can be purchased from any vendors online like Classicunlocking.com
maybe if u unlock it...MAYBE
its a t-mobile g1 :D
at t-Mobile
To change your T- mobile G1 signature you to go to the text settings. Click on Signature and change it
g2
yes
T-mobile G1
T-mobile G1
No.
Simple answer, no.
go to t mobile and try to ask there
It depends what mobile you have. I have the t-mobile g1 (the google phone) and it wouldn't let me.