Here are some instructions: http://forum.xda-developers.com/showpost.php?p=20140197&postcount=3
That should give you cwm and allow you to flash ics or jb roms.
Thank you andros for your help :)
Now I have CWM, can I install any ICS or JB ...
I just got a samsung infuse from my stepbrother. It has been already rooted and unlocked.
The question is I would like to install one of the newer OS in this beauty. In the mean time I would like also to change my modem because it sucks (sorry).