How to manually install ICS on Sony Ericsson Phones? Attempting update from 2.3.4 to 4.x and the pc companion software keeps telling me my phone is up to date! Anyone know if it's possible to do a manual install?
You can manually install update using Flashtool,and also you need ftf file for it,

http://androxyde.github.com/index.html?1349610344000 -Flash tool

http://forum.xda-developers.com/showthread.php?t=1918920 -ftf file.