Owners of the Samsung Galaxy S III on AT&T have had the opportunity to download and install Android 4.1 (Jelly Bean) since early December, but the rollout was kept rather quiet and the ROM was limited to ambitious souls willing to install and use Kies -- Samsung's proprietary desktop software -- to get it. Finally, AT&T has told us that an OTA (over-the-air) update will be available beginning today to anyone w
