you have to "Program" your unlocked phone to talk to the T Mobile server. Here is how you do it. It look scomplicated but its not.
Settings for T-Mobile Service:
• TMOBILE Internet Settings:
1- Main Menu click on Entertainment then click on Services
2- Click on Data Account–> click on GPRS
3- Choose any account–> click on Edit
4- 1- Account Name: TMOBILE
2- APN: wap.voicestream.com
3- User Name: leave it blank
4- password: leave it blank
5- Auth. Type: Normal
CLICK ON DONE AND SAVE IT.
CLICK ON BACK TWICE IT WILL TAKE YOU BACK TO SERVICES
5-Click on WAP –> click Settings–> click Edit Profile.
6- Choose any one on list then press ok–>Edit Profile
1- Rename Profile->(name it anything or u can name it T-mobile GPRS)
2-Homepage–>
http://wap.myvoicestream.com 3-Data Account–>Select–>click on Gprs–> you will see the one we named earlier TMOBILE, select it and press OK
4- Connection Type: HTTP - > Proxy: 216.155.165.050 - > port 8080
5- Username: leave it blank
6- Password: leave it blank
CLICK DONE AND SAVE IT—>CLICK ACTIVATE PROFILE AND SAVE.
SMS, MMS AND VOICEMAIL:
SMS:
1- Click on thee envelope icon it will take you to Messages -->CLICK ON SMS
1- Message settings–> click in Profile Setting
2- Click edit on any profile name it T-mobile that will be line No. 1 in No.2 type +12063130004
MMS:
1-Message Settings–>click Server Profile
2-Click on any 1–> click on Edit Profile
1- Rename profile: T-mobile MMS
2- Homepage:
http://216.155.174.84/servlets/mms 3-Data Account: click on GPRS–> choose Tmobile–> press OK
4- Connection Type: HTTP : 216.155.165.050 - > port 8080
5- Username: leave it blank
6 Password: leave it blank
CLICK ON DONE –> SAVE–>ACTIVATE PROFILE
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