The platform upgrade will arrive on Xperia ion too, at a later date
Officially, the deployment of the Android 4.1.2 Jelly Bean operating system has kicked off today for the owners of Xperia S, Xperia SL, and Xperia acro S devices.Following reports on the availability of the new platform release for the Xperia S, Sony announced on Twitter that the update is available for the Xperia SL and acro S as well.
The company also announced that the update would be pushed to Xperia ion devices at a later date, though no specific details on when that might happen have been provided, as XperiaBlog notes.
Sony did not offer additional info on the new update either, but it did say before that users would enjoy Google Now as part of it, along with updated Notifications, various performance improvements, and additional enhancements. Stay tuned for more on this.