Singtel Internet and MMS APN Settings for iPhone 4

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: e-ideas

Username:
Password:

Done. These settings are saved automatically.

Goto Settings General Network Cellular Data Network

MMS Settings

APN:  e-ideas
Username:  
Password:  
MMSC:  http://mms.singtel.com:10021/mmsc
MMS Proxy:  165.21.42.84:8080
MMS Max  Message Size:
MMS UA Prof URL:

Also don't forget to turn MMS on: