not sure what your phone type is and who your carrier is but if its cingular try this....
From the standby screen, press the Menu Key.
Scroll to "Settings," press Select.
Scroll to "WebAccess," press Select.
Scroll to "Web Sessions," press Select.
Scroll to "Cingular MMS" press Menu.
(if not there select "new")
Scroll to "Edit," press Select.
Validate the following parameters:
Name: Cingular MMS
Homepage:
http://mmsc.cingular.com
Service Type 1: HTTP
Gateway IP: 66.209.11.32
Port 1: 9201
Domain 1: leave blank
Service Type 2: WAP
Gateway IP 2: 0.0.0.0
Port 2: 0
Domain 2: leave blank
DNS 1: 0.0.0.0
DNS 2: 0.0.0.0
Time out: 5 minutes
CSD no 1: leave blank
Username: 1: leave blank
Password 1: leave blank
Speed (Bps) 9600
Line Type 1: ISDN
CSD no 2: leave blank
User Name 2: leave blank
Password 2 leave blank
Speed (Bps) 2: 9600
Line Type 2: ISDN
GPRS APN: wap.cingular
User Name:
WAP@CINGULARGPRS.COM
Password: CINGULAR1
Press Done.
Press Exit.
Press Back
Press Back.
Scroll to "Messaging," press Select.
Press the Menu key.
Scroll to "Inbox Setup," press Select.
Scroll to "MMS Message Setup," press Change.
Scroll to "Server Info," press Change.
Scroll to "MMS", press Menu key.
Scroll to and select "Edit".
Validate the following settings:
Service Name: MMS
Server Name:
http://mmsc.cingular.com
Web Session Name: MMS