try this
1.  Go to the phone app
2.  Dial ##634# and click Send
3.  When prompted for a password type 277634#*#
4.  You should now be at "Factory Menu"
5.  Choose "Engineer Menu"
6.  Choose "Other Setting"
7.  Verify that "Set ADC" is set to Enable
8.  From the "Other Setting" page, choose "Set network profile"
9.  You should now be on the "Set network profile" page and in the bottom half of the window you should see a list of *.xml files.  These appear to be the  network configuration files.
10. Look at the filenames for the config files and take your best guess at which one to choose for your provider.  if you are on CELCOM. try to find a xml file which have CELCOM in it.

After you choose that *.xml profile, your MMS should be working.