galaxy s2 root and custom rom

1. Do Root + ClockworkMod install
   a.Power your device off
   b.Boot into Download-Mode using Volume Down + Home + Power
   c.Hit Volume Up to accept the warning
   d.Start Odin
   e.Choose "GT-I9100_ClockworkMod-Recovery_X.X.X.X.tar" as PDA (no repartition)
   f.Connect your Phone (kabloyu bagla)
   g.Start flashing
2. Install Custom Room
   a.Copy GApps and CM10.1 ZIPs to your internal SDCard
   b.Power your device off
   c.Volume Up + Home + Power (Boot into Recovery)
   d.DO A DATA WIPE / FACTORY RESET (otherwise your device will be stuck at boot)
   e.Install zip from SDCard
a.Flash CM10.1 zip from internal SDCard
b.Flash GApps zip from internal SDCard

last-updates-cyanogen-mod
http://www.get.cm/?device=i9100&type=nightly

last-update-google-apps
http://goo.im/gapps