i just downloaded the new fmms from extras and i followed all the steps shown below for tmobile in the US.....

Create a new APN
Run fAPN
Create a new APN (I call mine Tmo-mms) and click add

Edit APN
go into Settings (where all the icons are)
go into Internet connection under connectivity
click on connection
highlight your NEW APN (Tmo-mms) and click edit
Hit next on the next window
In access point name, put in "wap.voicestream.com"
Leave everything else blank and hit next
Hit advance on the next window
Put a "check mark" on use proxy
In http proxy:, enter 216.155.165.50,
In port #, enter 8080 (or 9201 if 8080 fail)
Put a "check mark" on Automatic Configuration
In web address, enter http://mms.msg.eng.t-mobile.com/mms/wapenc
Hit SAVE, and then Finish

but wen i try to send a mms i still get the error 101 network is unreachable please make sure your apn settings are correct

please helppppp