From "criskelo", so all credit to criskelo for this wonderful rom, am just copying/sharing it.
CriskeloServanRom SGS2 4.0.3 oficial Firm XXLPQ
If you don't already have CWM, You have to install it before install the rom. (As CFROOT).Download the latest Criskelo ROM and put it on your INTERN SD card.
Open your CWM Application, select flash Update, and select the rom zip.
Say "yes", your rom will be installed.
Last edited by Khantastic; 16th March 2012 at 08:48.