I missed this announcement. The upgrade for Ice Cream Sandwich for Sony Xperia GingerBread smartphones have been initiated. It starts with the Nordic countries for the next four to six weeks before doing a global upgrade. I am using a Sony Xperia Arc S (LT18) so this news is significant to me.
Read more of the announcements and other details on Sony’s Site. Alternatively, you may choose to do it on your own with the Official ICS 4.0 package. What I mean here is – the ICS 4.0 is the official package from Sony while the installation is on your own, the risks, yours as well. The link is here.