It looks like Sony is keeping its promise to upgrade its popular 2011 Xperia model smartphones to Android 4.0 Ice Cream Sandwich (ICS). The official Sony blog announced that there is beta version of Android 4.0 ready for downloading but the update process is more twisted than a pretzel.
If you install this beta Android 4.0 Ice Cream Sandwich update, you will lose Wi-Fi, Bluetooth and Google Apps as well as the ability to upgrade to the official update later.