In the main menu -> Settings-> General Settings -> Network ->Turn ON Cellular Data
Select Cellular Network -> new APN and type the following data there
1. 3G APN Settings:
Cellular Data:
APN: celcom3g
Username: Blank
Password: Blank
MMS:
APN: celcom3g
Username:Blank
Password: Blank
MMSC: http://mms.celcom.net.my" onclick="window.open(this.href);return false;
MMS Proxy: 10.128.1.242:8080
MMS Message Size: 300000
MMS UA Prof URL: default
2. 2G APN Settings:
Cellular Data:
APN: celcom.net.my
Username: Blank
Password: Blank
MMS:
APN: mms.celcom.net.my
Username:Blank
Password: Blank
MMSC: http://mms.celcom.net.my" onclick="window.open(this.href);return false;
MMS Proxy: 10.128.1.242:8080
MMS Message Size: 300000
MMS UA Prof URL: default