Since Apple still serves the 4.1 IPSW (not blobs!), we’ll do a Windows redsn0w release for untethered 4.2.1 via Monte-4.1Unfortunately 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!
LINK : REDMONDPIE