How would you feel about a little Android 2.3.5 (!) action on that Nexus S 4G of yours? What about some WiMAX performance improvements? You should be getting all that plus WiFi connectivity and speakerphone quality tweaks, along with TTY support on Monday July 25th, which is when Sprint is expected to begin rolling out an OTA update for Samsung's pure Gingerbread handset. We were given an exclusive first look at the new software, and while it's still being finalized, we tested it side-by-side with the original, and our results show a welc