How to flash F1 Galaxy S II V6 - SP1 in Samsung Galaxy

1. Download the zip file

http://hotfile.com/dl/122358983/8ab75e1/F1-GS2-V6-Signed_(Wipe).zip.html

2. Make sure that you have a cwm recovery, If you are on stock and you dont have cwm then flash semaphore kernel.

3. Disable lagifix before installing this rom

Useful Links

http://www.youtube.com/watch?v=GsDpsotME3s

http://forum.xda-developers.com/showthread.php?t=1129404