Get ODIN Downloader v.1.85
Get Clockworkmod for your firmware, mine was ZHKC1
(look up from your settings, about)
- Run the ODIN.exe
- Turn off phone
- Press down volume, home button and power simultenously and hold until you see the screen showing "downloading...."
- Connect usb cable to PC
- ODIN program COM1 should show yellow if connection OK
- Click "PDA" button and browse the clockworkmod file
- Click start
- wait until finish and it will auto reboot.
- Done!