first all I restore with iTunes 7.7.1 "previous fw is 2.0.2" to 2.0.2,when I use winpwn-2.5 beta2 to pwn and make custom,after make custom with resize partition 800 MB I can't pwn I can't enter DFU,but in window say enter it.my screen goes black.I try to restore with custom without pwn show me error "6" in iTunes.i try to open itunes when enter DFU mode say to search for ipod "!!!then take forever to search.I'm stuck in emergency call,please any help?

any help??

try to google "itunes error 6"

most of the time it's some itunes problem or usb port, something trivial. try to completly uninstall your itunes and reinstall it. Here you can find older versions of itunes, do NOT use itunes 8 with winpwn 2.5 custom firmwares, you will get an error!

http://www.oldapps.com/itunes.htm

put your iphone in restore mode again connect it to itunes and follow the guide from the winpwn page.