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11-28-2011, 08:50 PM #41
1) The only way to remove yourself from the beta firmware requirements is to do a restore rather than update - this is most likely why you cannot use stock IPSW's from Apple. Redsn0w cannot download dev beta builds to cache and requires you to provide them, and you can't upgrade until you've completely restored to a stock firmware.
2) 5.01 *is* jailbreakable from Redsn0w, natively. Technically, your Beta is likely expired already but part of redsn0w and sn0wbreeze remove expiration
3) Yes, Redsn0w (and all limera1n based jailbreaks) require the IPSW. However, where ac1d and redsn0w differentiate is that ac1d pre-packages these pieces of necessary (and legally protected) pieces of Apple's code (bootrom / etc). redsn0w fetches the IPSW's from Apple upon device discovery. This means that until you hardware an iOS device (and thus providing at least some proof of ownership - a key factor in part of the legality of jailbreaking), you won't have that code - and once you DO have that code, you've obtained it from the appropriately legal source.
I guess another "finally" might be:
Don't be so condescending.