Walmart Family Mobile - G1 APN MMSC
Just switched from T-Mobile after 15 years.
Switched to Walmart Family Mobile.
To make the web portion work on my G1 I had to create a new APN
Menu, settings, wireless controls, Mobile networks, access point names.
from there click menu button to choose New APN,
name is a title holder so just name it anything, named mine Walmart.
Access Point Name: web dott omwtoday dott com (put "." where i typed dott. XDA is limiting my response since I am new)
216 dott 155 dott 175 dott 188 is the proxy
8080 is the port
Username: <not set>
Pasword: <not set>
Server: <not set>
MMSC: wirelessfour dott mmsmvno dott com/mms/wapenc (please add the "hypertextprotocol followed by // in front of this, since I am new, XDA won't let me post an outside link which this isn't but their software thinks I am referring to an outside link)
MMS proxy: <not set>
MMS prot: <not set>
MCC 310 (already filled out)
MNC: 260 (already filled out)
APN type: <not set>
clicked menu button again for "save" option. Went to home screen and data icon came to life.
Hope this helps and/or applies