Samsung Galaxy S Step by Step Lag Fix Procedure

This is the step by step procedure in applying one click lag fix in your Samsung Galaxy S GT-i9000 device.

Search and install "oclf" from Android Market then launch the "One Click Lag Fix" application

Root your device

Tap "Root Device Recovery 2e" and Fire It Up (after rooting, it will ask you to reboot. at this stage, you need to turn off your device and enter to recovery mode)

Recovery Mode
To enter to recovery mode, while the device is off, press and hold "Volume Up" + "Home" + "Power" buttons until the Samsung splash/intro screen shows up, use the Volume Up and Down buttons to select "apply sdcard:update.zip" and press "Home" button. The device will automatically reboot.

Convert from RFS to EXT2
Tap "Install EXT2 Tools" and Fire It Up then go back to main application screen, if "Undo OneClickLagFix V2+" is still unavailable, exit the application then re-launch it.
Now tap "OneClickLagFix V2+" and leave the default EXT Size (mine is 856 MB) then Fire It Up, it will reboot once finished processing.

Extra Tweak
Tap "Alter minfree", select Strict and check "Set On Boot"
Tap "Change Scheduler", select "deadline" and check "Set On Boot"