Hi

I am totally new in iphone world, i bought 2g phone and using on TMobile, i got data plan but i see so many people using tZone, i tried this but i have missing APN in my setting, when i go to Setting--General--Network-- it shows only three things

Data Roaming on/off
VPN not Configured
Wi-F- xyz

how can i configure for tzone, my iphone shows Version is 2.1 (5F136)

Please help me. Thanks