Tested I900 Hard Reset Codes

1. REMOVE BATTERY & PUT IT BACK
2. HOLD VOLUME UP BUTTON & MIDDLE BUTTON (HOME BUTTON)
3. WHILE HOLDING THIS TWO BUTTON PRESS POWER BUTTON AND RELEASE
4.IT WILL POP UP WITH HARD RESET MENU
5. SCROLL DOWN TO FACTORY RESET WITH VOLUME DOWN BUTTON THEN PRESS CENTER BUTTON OR HOME BUTTON
6. PRESS VOLUME DOWN BUTTON TO SELECT YES FACTORY SETTINGS THEN PRESS CENTER BUTTON
7. SELECT REBOOT DEVICE AND PRESS CENTER BUTTON


Tested in I5503 Full Reset

Volume UP + Home + Power and you should get the options menu reset.