How to root Android 2.3.5 I9000XXJVT?
1. Download ODIN Since you are coming from stock.SGS Kernel Flasher cannot be used.
2. Download semaphore JVT 1.8.1bm [Get latest Semaphore here]
3. Run ODIN
Note: Do not check re-partition. Set your phone to Download Mode (Home+Volume Down+Power button). Connect to USB cable.
5. Click [Start]. Sit back and relax.
No more Samsung sound on boot-up....
Note: Now you can use shootme, since you have root permission
Note: You will have same stability as JVS
But still no battery percentage...........I show you how after the break.
Continue reading here...