Today's been a good day for smartphone updates. In addition to the One X on AT&T and the Droid RAZR on Verizon both receiving bumps to Jelly Bean, Sprint is giving another reason to smile with an update to Android 4.1.2 for the Optimus G. Along with the usual set of improvements such as Google Now, Chrome replaces the default Android browser in this release, and users will also find improved voice search
