I unlock mi iphone 3g 2.2 firmware with QuickPwn22-1 how can get it to work wiht tmobile sim card?

i just jailbreack my iphone 2.2 firmware with the QuickPwn22 but now how i can use my tmobile sim card with it?...... well when i insert the tmobile sim card and it say "no service" i don't know if i have to do something on the settings or i have to install something alse or if i did something wrong.. please help me.... i'm not shure if a have to intall yellowsnow too to make it work with the tmobile sim card ..... please let me know if u can help me with thi issue..... thanks