A rooted Xperia with rootkeeper installed will not lose root during the update. This adds home screen widgets and some other random improvements. From "About Phone" choose "Update Android Software" and follow the directions.
Android 4.2 released for Xperia A S0-04E
A rooted Xperia with rootkeeper installed will not lose root during the update. This adds home screen widgets and some other random improvements. From "About Phone" choose "Update Android Software" and follow the directions.