The iPhone Dev Team has confirmed that a Windows version of Redsn0w 0.9.7 is on its way forjailbreaking iOS 4.2.1 with iOS 4.1 IPSW instead of iOS 4.2b3 firmware and SHSH blobs
Since Apple still serves the 4.1 IPSW (not blobs!), we’ll do a Windows redsn0w release for untethered 4.2.1 via Monte-4.1
Unfortunately though, it wont be as fast as its Mac OS X counterpart. This is because the Windows version of Redsn0w 0.9.7 will be using filesystem instead of RAM, which will make the process a whole a lot slower.
Please don’t complain too loudly about how slow it takes The Win version uses filesystem instead of RAM: slow!
As always, we will keep you updated. Stay tuned for more!