How to enable MMS on Unlocked iPhone 3G iOS 4.2.1

• First download iFunBox from http://www.i-funbox.com/
• Navigate to /var/mobile/Library/Preferences/ with iFunBox while iPhone is connected to computer
• Look for a file “com.apple.mms_override.plist” and copy to your computer desktop
• Edit the file and replace the content with what is the link below http://pastebin.com/raw.php?i=hhHBW1zu

• Save the file and upload back to iPhone to override the old file

• Reboot iPhone

•  Now you can navigate to 

  Settings -> General -> Network -> Cellular Data Network and adjust MMS settings according to below

   

Instruction Video below:

Learn How to enable MMS (picture messaging) iphone 3G t-mobile. For more Cell Phone, PDA, iPhone How-To Videos & Articles, visit WonderHowTo.

 

Carrier Settings

T-Mobile
APN: wap.voicestream.com
User Name And Password: guest (for the 2nd APN only) leave in blank
NEW APN: epc.tmobile.com no username or password
hiptop.t-mobile.com User Name: dummy Password: dummy

Timeout: 15 minutes
Primary gateway IP: 216.155.165.50
Port: 8080
Secondary gateway IP: 216.155.165.50
Port: 8080
MMS Mmsc Server: 216.155.174.84/servlets/mms Proxy: 216.155.165.050:8080

Cincinnati Bell Wireless
WAP Settings
Settings Name: CBW WAP
Homepage: http://wap.gocbw.com
Session Mode: Permanent
Connection Security: OFF
Data Bearer: GPRS
Bearer Settings:
GPRS Access Point: wap.gocbw.com
IP Address: 216.68.79.199 (216.68.79.202 for WAP 2.0 Handsets)
Authentication Type: Normal
Login Type: Automatic
User Name: cbw
Password: Leave Blank

MMS Settings
Allow Multimedia Reception: YES
Incoming Multimedia Messages: Retrieve
Settings Name: CBW MMS
Homepage: http://mms.gocbw.com:8088/mms
Session Mode: Permanent
Data Bearer: GPRS
Select Bearer Settings
Select GPRS Access Point: wap.gocbw.com
IP Address: 216.68.79.200
Authentication Type: Normal
User Name: Enter cbw
Password: Leave Blank

GPRS Settings (Non VPN)
Settings Name: CBW GPRS
Session Mode: Permanent
Connection Security: OFF
Data Bearer: GPRS
Bearer Settings:
GPRS Access Point: web.gocbw.com
Authentication Type: Normal
Login Type: Automatic
User Name: Leave Blank
Password: Leave Blank

GPRS Settings (VPN)
Settings Name: CBW VPN GPRS
Session Mode: Permanent
Connection Security: OFF
Data Bearer: GPRS
Bearer Settings:
GPRS Access Point: internet
Authentication Type: Normal
Login Type: Automatic
User Name: Leave Blank
Password: Leave Blank
Create a Profile and set the Profile Name to cbwifi (all lowercase).
Set the SSID (or Network Name) to cbwifi (all lowercase).

Cingular
APN: wap.cingular (lower case)
PDP_Type: IP
Gateway IP Address: 66.209.11.61
Port: 9201
Home Page: http://device:home or http://device.home
Session Mode: Permanent
Connection Security: On
Authentication Type: Secure
Login Type: Automatic
User Name: WAP@CINGULARGPRS.COM (All upper case)
Password: CINGULAR1 (All upper case)
MMS Settings:
Service Name: MMS
Server Name (mmsc): http://mmsc.cingular.com
Web Session Name: MMS
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Rogers
APN: internet.com
Primary gateway IP: 172.25.0.107
Username: wapuser1
Password: wap
The above didn't work for my iphone, but this did...
APN: internet.com
Username: guest
Password: guest
MMS Settings:
MMSC: mms.gprs.rogers.com
APN: media.com
Username: media
Password: mda01