First up, the company confirmed that its high-end late 2012 devices, Xperia T, TX and V, are on target to receive Jelly Bean in February and March. Once those updates are out the door, Sony will upgrade the Xperia J, Xperia P and Xperia Go in late March. The remaining devices, Xperia S, Xperia SL, Xperia ion and Xperia acro S, will get Jelly Bean in the weeks following.
However, there's bad news for owners of the Xperia U, Xperia miro, Xperia tipo, and Xperia sola, as Sony has confirmed that it will not upgrade these devices beyond Android 4.0 Ice Cream Sandwich. That's particularly disappointing considering all these devices are less than nine months old.
So, as is often the case with Android software updates, it's a mixed bag. Sony has shipped more mid-range phones than ever in 2012, however it's been unable to provide upgrade support for these devices just a few months after release. On the other hand, at least all the more expensive devices are accounted for, although there's no official word on the fate of U.S.-specific phones like the AT&T Xperia Ion and Xperia TL.
On a more positive note, Sony says it's excited about some Xperia-specific functionality in its upcoming Jelly Bean software, so Xperia owners who do get upgraded will likely get some new stuff to play with. Sony is expected to unveil a new high-end smartphone at CES in Las Vegas next month, so it's likely that's where we'll get our first look at the company's new Jelly Bean-based firmware.
Source: Sony Mobile Blog