中国移动，中国联通，移动运营商

China Mobile 

China Unicom 

mobile operator     

 

For other users, goto your mobile phone vendor's portal, look for support section, you can usually find tools that helps you to configure GPRS/WAP or email. Also you can try your mobile carrier's web portal, often they also provide either information or automatic configuration tools for your phone. Last solution: type in google your mobile operator name followed by your phone vendor name, followed by "gprs settings", ex:
orange samsung gprs settings
or
tmobile motorola gprs settings

From:http://www.quickim.com/support/gprs-settings.html