Hi,

i just upgrade from S2 to S.note...

i have flash Rocket V15 Rom,
http://forum.xda-developers.com/showthread.php?t=13802

installed CheckROM ICS Style - blue icons in the settings menu.
http://forum.xda-developers.com/showthread.php?t=1433174

installed CheckROM ICS Style Toggles -blue toggle icons and signal strength indicator.
http://forum.xda-developers.com/showthread.php?t=1430146

So far no problem