You can edit your APN information in your iPhone only if it is permitted by your carrier. Goto Settings  General Network Cellular Data Network Enter APN: mms.ice.net Username:
Password: Done. These settings are saved automatically. Goto Settings General Network Cellular Data Network MMS SettingsAPN: mms.ice.net
Username:
Password:
MMSC: http://mms
MMS Proxy: 10.10.10.10:80
MMS Max Message Size:
MMS UA Prof URL: Also don't forget to turn MMS on:
| 
