i am currently working in russia and for the past year i used my blackberry pearl from cingular and it worked great (except for the 3.99/minute charge to make a phone call so i just use the unlimited data) in december i got an 8830 from sprint, i can put my russian simm card for voice but can not get data. my russian carrier gave me ip address but where do i put it? anyone know how to make this work ??