Downgrading iPod touch 2G MC model from 4.2.1 to 3.1.2
I need help with this. When I first downgraded my old iPod touch 2G MC model (actually PC model, but they are the same thing) from 4.0 to 3.1.2, it worked without any SHSH blobs (I think) stored. But now, after not using it for (yes, suprisingly) six months (lost it) and upgrading to 4.2.1, it doesn't work.
Is there another way to do this without SHSH blobs? I am using Mac OS X Lion Developer Preview 3 and Mac OS X Snow Leopard 10.6.6 right now.
Thanks for you help!