hi ammyt, i have no idea as what has went wrong because after i followed this step suggested by you i dint face the problem and it installed all files of N12 properly but when i restrt my cell phone and choose number 2 for nitdroid it runs some script on black screen before booting but i noticed there that one point of time on that black screen it shows ANDROID written this way and whatever script is run after that at the of every command or sentence its written as 'exited' or 'access denied' and then the cell phone boots again and brings me back to the screen where i can select os. plz help