Sony has confirmed the Jelly Bean update for users of Xperia U. This upcoming Jelly Bean update has been brought to notice by the folks from Sony Mobile Italy which should be a great news for users who were looking for the ICS (Android 4.0.4 update) instead.
About a month ago, Sony promised to release the ICS update for users of Sony Xperia U, but now for good, they will be treated with the Jelly bean update sooner than expected. This is definitely good news for users of the Sony Xperia U.
Jelly Bean has been said to be more streamlined, and reportedly faster due to butter project by Google. The developers at Google have optimized the code of the Android OS. We will update you as the update gets released, stay in touch.