September 3, 2012 at 8:45AM Hate Windows 8 already? The Pro OEM edition will let you downgrade as far back as Vista
May 11, 2012 at 10:41AM Redsn0w 0.9.11b1 now allows post-iPad 2 devices to downgrade to an older firmware
November 15, 2010 at 7:05AM PS Jailbreak gets support for PS3 versions 3.42 and 3.5, is no firmware safe?
December 12, 2007 at 8:52PM Nintendo offers official downgrade to Photo Channel 1.0, MP3 addicts rejoice
September 21, 2007 at 5:01PM Microsoft giving Vista Business / Ultimate users 'downgrade' to XP option