Sony has announced that the KDDI version of the Xperia acro HD (IS12S) is now receiving the Android 4.0.4 update. The update is available OTA or via PC Companion and takes place in two steps, after completing the first update (6.0.D.0.275) there will be a second notification to upgrade to ICS (6.1.D.0.170). Adobe Flash will be removed once you upgrade to ICS, but this can easily be re-installed through the Google Play Store. The update is available now.