ok i got a new iPhone & still get the error of not being able to boot dfu ipsw's with redsn0w R even sn0wbreeze
and it goes into the black screen without it even being powered off
& if it was in dfu mode only it would boot not stay stuck on the black screen
what did itunes say when it was on the black screen?
wish at this time i could give you an answer but thanks to itunes to restoring to any ipsw i cant even get one of my phones out of recovery mode
and any help with this also !!!!????
issues restoring 6 to 6 - SiNfuL iPhone