― Samsung Galaxy S3 is most popular smartphone in United States and is available from different cellular Companies of US. Here is small list of networks who are giving Samsung Galaxy SIII with Voice and Data Plans at their best. ∙ AT&T Samsung Galaxy S III offering it at $199.99 only with 4G LTE with 16 GB Data. It is available in Blue, White and Red Colors. ∙ Samsung Galaxy S III by Sprint with offer of 16GB data in only $199.99 and with 32GB in $249 only. This package includes [...].