How to root I9100XXLPB 4.0.3 Ice cream sandwich ICS on Galaxy S2

I9100XXLPB, based on Android 4.0.3
A new firmware for the Galaxy S II is online.
This firmware based on Android 4.0.3 and got some new things.
This rom is still in beta/alpha fase but this one is looking really stable

Whats new


Changes we found so far…

• Interface: Kind of 3D effect when scrolling.
• Battery: Lots better than early ones.
• Faster: Feels the same as LP6
• Touch: Same as LP6.
• Overall: Better score in our eyes than LP6 .
• Facelock: Same as LP6 working fine.
• Task: Same as version LP6.

Downloads

• Samsung USB Drivers Download
• ODIN Download
• I9100XXLPB_I9100OXXLP5_OXX.rar Download
• Pit file download 

Must do

• Make sure that your phone is well charged
• Back up your phone data

Steps

• Install USB drivers
• Unzip the main firmware file
• Shut down Samsung Kies
• Run Odin 1.83
• Power off your Samsung Galaxy S2
• Hold Volume down key + Home button key and press power on to goto download mode
• Connect phone to USB
• You should get the message “Added! !”
• Tick mark Re partition, Auto reboot & F. Reset time
• Boot loader(put in Odin)

PIT = u1_02_20110310_emmc_EXT4.pit 

PDA = I9100_CODE_I9100XXLPB_CL99600_REV02_user_low_ship.tar, 

PHONE = MODEM_I9100XXLPB_REV_02_CL1101286.tar, 

CSC = GT-I9100-MULTI-CSC-OXXLP5_RST.tar

• Press the start button and process will begin
• When the phone gets restarted disconnect the cable

If you have any doubt in rooting steps refer our previous rooting posts

http://www.crackerspot.info/search/label/Rooting%20Android

another download link :   
http://hotfile.com/dl/144937425/4dd44e7/I9100XXLPB_I9100OXXLP5_OXX.rar.html

For any further reference if required : http://forum.xda-developers.com/showthread.php?p=22141760