I want update my Xperia U to Google Android 4 (Ice Cream Sandwich)

[Xperia-U]

I can't Update my phone to Ice Cream Sandwich or Jelly bean
is it available for my phone or no ?

I did this Settings > About phone > Software updates > System updates. and get message " you already have the latest version "

But on the site http://www.sonymobile.com/global-en/software/phones/xperia-u/

Latest available software

Android version: Google Android 4 (Ice Cream Sandwich)

Latest available software: 6.1.1.B.1.54

Release started: 2012-12-03

[Uliwooly]

On the same site

http://www.sonymobile.com/global-en/software/phones/xperia-u/

Latest available software

You may already have the latest software, depending on the date of purchase. Software updates are released at different times depending on operator and/or country. Therefore, we cannot give you an exact date for when a specific update will be available for your device.

Android version: Google Android 4 (Ice Cream Sandwich)

Latest available software: 6.1.1.B.1.54

Release started: 2012-12-03

[Uliwooly]

If you do NOT want to wait you have only one option which is to manually flash your phone with flashtool

How to manually update, downgrade, root 2012 Xperias

http://talk.sonymobile.com/thread/41609

Don't forget to give Kudos