APN Setting for T-MOBILE MMS IPhone 4 3GS 3G 2G (Enable MMS)

To Enable MMS (Multy Media Message) in A T-Mobile IPhone you will need to change the APN settings on the IPhone.

Step 1: Go to Settings > General > Network > Cellular data Network That's where the APN settings are.

Step 2: Under MMS settings add:

            
             APN: wap.voicestream.com
             Username: (leave this blank).
             Password:(leave this blank).
             MMSC:216.155.174.84/servlets/mms
             MMS Proxy: 216.155.165.50:8080

Step 3: Restart you IPhone and you should be able to send MMS with T-Mobile!

Hope it helped you leave any question or comment below.