I'm having the same issue too. Did they rearrange the menu?? I can't find where to enter the settings for tmobile
Do you have the tmobile us carrier bundle installed?
The settings are there.
General>Network>Cellular Data Network
I still have no clue of what the legacy is and how to delete it..please help!
I have a factory unlocked 3Gs that is running 4.0 and is JB. During the process lost all the apn settings but Easy to type in;
Cellular Data APN: wap.voicestream.com
Username-blank
Password- blank
MMS APN: wap.voicestream.com
Username- blank
password- blank
MMSC: 216.155.174.84/servlets/mms
MMS Proxy: 216.155.165.50:8080
MMS Max Message Size: 9999999
MMS UA Prof URL: http://www.apple.com/mms/uaprof.rdf
Hope this helps......