Sony Mobile has officially announced and has actually started rolling out the Android 4.1 Jelly Bean update to their 2012 Xperia line of smartphones. The phonemaker, albeit a bit late on this, at least they have finally sent it out. The updates should start arriving to unlocked Xperia smartphones starting today. For those who got their devices via a carrier might have to wait for a longer time since the update that Sony released will still have to pass through the carrier's inspections and customization. Also the update will not arrive at the same time, it will also vary depending on what part of the world you are in. For more information about the update you can visit Sony Mobile's Update page.