For Digi: go to http://www.digi.com.my/data_services/gprs/datagprs_phonesandconfig.do?page=web
For Celcom: go to http://www.channelx.com.my/mdp/gprs/wap_config.jsp
or
- Go to Write Message.
- Type gprspre (for prepaid) send to 95000
- Type gprspost (for postpaid) send to 95000
- You will receive the settings.
- Save/Install all settings.
- You will be charge SMS send RM0.15 and SMS received RM0.40