Open App Drawer and go to Settings  Wireless & networks More... Mobile networks Access point names Press ➕ button on top right corner. Enter name: Three MMS
APN: 3services
Proxy:
Port:
Username:
Password:
Server:
MMSC: http://mmsc.three.net.au:10021/mmsc
MMS Proxy: 10.176.57.25
MMS Port: 8799
MCC:
MNC:
Authentication type:
APN type: mms Keep default values for all blank fields shown above. Press menu button (top right) and select Save. Done. | 
