really now i have problem i but the nandriod on sd card and i copy the files on android on c but when i power the galaxy in fastboot it asked me for android 1.0 driver and i try to use the drivers that come with sdk 1.0 and 1.5 and 1.6 but no way and after few second the mobile make restart automatically (i turns the usb debug on ) and after restart the windows detect unknown device what i have to do ???