I think the question is pretty self-explanitory, but I need to update my iPod 3g (MC) to 4.2.1 without losing my jailbreak. I would prefer using greenp0ison if possible, but if that can't happen it's no big deal.
I can't lose my Cydia apps either. My SHSH blobs were emailed to me, also.
I can't lose my Cydia apps either. My SHSH blobs were emailed to me, also.