I have a SGH-A767 SAMSUNG mobile no internet connection

The best way is to call your carrier and get them sent to your phone automatically. To enter them manually:
T-Mobile Browser/Java Settings:

Connection name: T-Zones
Gateway IP address: 216.155.165.050
Secondary IP address: Blank
APN name: wap.voicestream.com
Data bearer: GPRS
Profile name: GPRS
Username: Blank
Bearer: Data
Home page: http://wap.myvoicestream.com

T-Mobile MMS Settings:

WAP Gateway IP Address: 216.155.165.050
APN Name: wap.voicestream.com
Homepage or MMSC URL: Messaging Server: http://mms.msg.eng.t-mobile.com/mms/wapenc
Data Mode: Connection Oriented

AT&T Browser/Java Settings:

Connection name: Internet GPRS
Data bearer: GPRS
Access point name: wap.cingular
User name:
Prompt password: No
Password:
Authentication: Normal or Secure
Gateway IP address: 66.209.11.61
Homepage: http://device.home
Connection security: Off
Session mode: Permanent

AT&T MMS settings:

Connection name: Multimedia
Data bearer: GPRS
Access point name: wap.cingular
User name:
Prompt password: No
Password:
Authentication: Normal or Secure
Gateway IP: 66.209.11.61
Homepage or MMSC URL: http://mmsc.cingular.com
Connection Security: Off
Session Mode: Permanent

I have a samsung at