As promised, Sony
Ericsson has started launched Android 4.0 Ice Cream Sandwich updates for the remaining members of its 2011 Xperia family. Today the Xperia Arc and Xperia Neo get their updates straight to the latest version of Android -- 4.0.4. The update also introduces a few software enhancements found in Sony's UXP NXT UI, which you may remember from 2012 Xperias including the Xperia S. (There's no such luck for Xperia Play owners, as Sony confirmed last week that the Play will remain on Gingerbread.)
The update won't be sent out over the air, so you'll need to plug your Arc or Neo into the Sony PC Companion app to grab this optional, one-way update.
If you're updating your Xperia phone to ICS for the first time today, let us know how you're getting on down in the comments!