Prefer the Old School? If you do, you can definitely downgrade, but be sure check the chart below to downgrade properly. Follow the steps outlined and you will have a brand new old iDevice for your Jailbreaking pleasure or just for bragging to your friends that your model ain’t the latest, but the longest in the tooth.
Yesterday, I discussed the reason that the 3GS must have the SGX version of Imagination’s PowerVR graphics rather than recycling the MBX chipset of the current iDevice. Today, I came across an interesting but small read from Engadget which outlines reasons that we may see an even more segmented App Store.