什麼是ROOT？
ROOT是讓你可以裝一些原本不能裝的軟件，做一些對系統進行修改的操作，所以不知道什麼是ROOT的，不清楚ROOT幹嘛用的，不知道自己為什麼要ROOT的，請不要隨便ROOT，因為你會給大家帶來困擾，同時又不會給自己帶來好處。
Step 1:Download Odin3 v1.83 from HERE
Step 2:Download Insecure/Original Kernels from HERE
Step 3:Goto Settings >Applications >Development and Enable USB Debugging on your device.
Step 4:Reboot your device into Download Mode.(With Device OFF,Hold Vol Down +Home +Power)If done correctly your device should have a big Yellow Triangle in the middle of the screen with the words 'Downloading...Do not turn off target'underneath.
Step 5:Connect your device to your PC and start Odin3 v1.83.If you installed Samsung Kies correctly,you should see the box in the top left corner of Odin underneath where it says ID:COMshould be Yellow and displaying the name of a Com Port your device is connected to.
Step 6:Check Odin's settings,Only the Auto Rebootand F.Reset Timecheckboxes should be selected.
Step 7:Now press the PDAbutton and select the Insecure Kernel you downloaded earlier.(Note:This should be in *.tar,*.md5 or *.smd format.)
Step 8:Now press the Startbutton and wait for your device to reboot.
Step 9:If you have done everything correctly,you will notice a Yellow Triangle with an exclamation mark on the boot screen when the device is starting up.This indicates you are running an Insecure Kernel with Temp Root priviledges.
Step 10:When the device has finished booting,start S2 Rootthen press the Root Devicebutton.Wait for the device to reboot then you are done Rooting.
Step 11:This is an optional step but you can follow the previous steps in this guide to flash the Original Kernel back to your device to remove the Yellow Triangle on the boot screen.
S2Root_1.1_Release (1.68 MB)
from:
http://forum.xda-developers.com/showthread.php?t=1125414
